Home / 1,428,124.16-2,142,193.60-481,503.08

Finding the Fourth Proportional to 1,428,124.16, 2,142,193.60 and 481,503.08

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Solution

The fourth proportional to 1,428,124.16, 2,142,193.60 and 481,503.08 is: 722,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,124.16 : 2,142,193.60 = 481,503.08 : x
  2. Step 2: Convert to fraction form
    1,428,124.16/2,142,193.60 = 481,503.08/x
  3. Step 3: Cross multiply
    1,428,124.16x = 2,142,193.60 × 481,503.08
  4. Step 4: Simplify right side
    1,428,124.16x = 1,031,472,816,356.29
  5. Step 5: Solve for x
    x = 1,031,472,816,356.29/1,428,124.16
  6. Step 6: Final answer
    x = 722,257.10

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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.