Home / 1,577,126.20-2,365,689.30-579,724.60

Finding the Fourth Proportional to 1,577,126.20, 2,365,689.30 and 579,724.60

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Solution

The fourth proportional to 1,577,126.20, 2,365,689.30 and 579,724.60 is: 869,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,126.20 : 2,365,689.30 = 579,724.60 : x
  2. Step 2: Convert to fraction form
    1,577,126.20/2,365,689.30 = 579,724.60/x
  3. Step 3: Cross multiply
    1,577,126.20x = 2,365,689.30 × 579,724.60
  4. Step 4: Simplify right side
    1,577,126.20x = 1,371,448,283,166.78
  5. Step 5: Solve for x
    x = 1,371,448,283,166.78/1,577,126.20
  6. Step 6: Final answer
    x = 869,586.90

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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.