Home / 1,224,915.48-1,690,459.92-681,172.92

Finding the Fourth Proportional to 1,224,915.48, 1,690,459.92 and 681,172.92

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Solution

The fourth proportional to 1,224,915.48, 1,690,459.92 and 681,172.92 is: 940,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,915.48 : 1,690,459.92 = 681,172.92 : x
  2. Step 2: Convert to fraction form
    1,224,915.48/1,690,459.92 = 681,172.92/x
  3. Step 3: Cross multiply
    1,224,915.48x = 1,690,459.92 × 681,172.92
  4. Step 4: Simplify right side
    1,224,915.48x = 1,151,495,519,849.37
  5. Step 5: Solve for x
    x = 1,151,495,519,849.37/1,224,915.48
  6. Step 6: Final answer
    x = 940,061.20

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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.