Home / 1,121,504.10-1,682,256.15-997,501.20

Finding the Fourth Proportional to 1,121,504.10, 1,682,256.15 and 997,501.20

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Solution

The fourth proportional to 1,121,504.10, 1,682,256.15 and 997,501.20 is: 1,496,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,504.10 : 1,682,256.15 = 997,501.20 : x
  2. Step 2: Convert to fraction form
    1,121,504.10/1,682,256.15 = 997,501.20/x
  3. Step 3: Cross multiply
    1,121,504.10x = 1,682,256.15 × 997,501.20
  4. Step 4: Simplify right side
    1,121,504.10x = 1,678,052,528,332.38
  5. Step 5: Solve for x
    x = 1,678,052,528,332.38/1,121,504.10
  6. Step 6: Final answer
    x = 1,496,251.80

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Double scale
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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.