Home / 1,003,038.82-1,384,670-635,699.36

Finding the Fourth Proportional to 1,003,038.82, 1,384,670 and 635,699.36

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Solution

The fourth proportional to 1,003,038.82, 1,384,670 and 635,699.36 is: 877,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,038.82 : 1,384,670 = 635,699.36 : x
  2. Step 2: Convert to fraction form
    1,003,038.82/1,384,670 = 635,699.36/x
  3. Step 3: Cross multiply
    1,003,038.82x = 1,384,670 × 635,699.36
  4. Step 4: Simplify right side
    1,003,038.82x = 880,233,832,811.20
  5. Step 5: Solve for x
    x = 880,233,832,811.20/1,003,038.82
  6. Step 6: Final answer
    x = 877,567.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.