Home / 1,459,151.20-2,013,420.40-814,557.25

Finding the Fourth Proportional to 1,459,151.20, 2,013,420.40 and 814,557.25

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Solution

The fourth proportional to 1,459,151.20, 2,013,420.40 and 814,557.25 is: 1,123,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,151.20 : 2,013,420.40 = 814,557.25 : x
  2. Step 2: Convert to fraction form
    1,459,151.20/2,013,420.40 = 814,557.25/x
  3. Step 3: Cross multiply
    1,459,151.20x = 2,013,420.40 × 814,557.25
  4. Step 4: Simplify right side
    1,459,151.20x = 1,640,046,184,117.90
  5. Step 5: Solve for x
    x = 1,640,046,184,117.90/1,459,151.20
  6. Step 6: Final answer
    x = 1,123,972.75

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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.