Home / 1,121,502.75-1,682,254.13-333,534.75

Finding the Fourth Proportional to 1,121,502.75, 1,682,254.13 and 333,534.75

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Solution

The fourth proportional to 1,121,502.75, 1,682,254.13 and 333,534.75 is: 500,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,502.75 : 1,682,254.13 = 333,534.75 : x
  2. Step 2: Convert to fraction form
    1,121,502.75/1,682,254.13 = 333,534.75/x
  3. Step 3: Cross multiply
    1,121,502.75x = 1,682,254.13 × 333,534.75
  4. Step 4: Simplify right side
    1,121,502.75x = 561,090,209,018.34
  5. Step 5: Solve for x
    x = 561,090,209,018.34/1,121,502.75
  6. Step 6: Final answer
    x = 500,302.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.