Home / 1,425,202.24-1,966,290.88-812,915.04

Finding the Fourth Proportional to 1,425,202.24, 1,966,290.88 and 812,915.04

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Solution

The fourth proportional to 1,425,202.24, 1,966,290.88 and 812,915.04 is: 1,121,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,202.24 : 1,966,290.88 = 812,915.04 : x
  2. Step 2: Convert to fraction form
    1,425,202.24/1,966,290.88 = 812,915.04/x
  3. Step 3: Cross multiply
    1,425,202.24x = 1,966,290.88 × 812,915.04
  4. Step 4: Simplify right side
    1,425,202.24x = 1,598,427,429,366.84
  5. Step 5: Solve for x
    x = 1,598,427,429,366.84/1,425,202.24
  6. Step 6: Final answer
    x = 1,121,544.29

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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.