Home / 1,357,927.76-2,037,333.90-647,863.88

Finding the Fourth Proportional to 1,357,927.76, 2,037,333.90 and 647,863.88

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Solution

The fourth proportional to 1,357,927.76, 2,037,333.90 and 647,863.88 is: 972,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,927.76 : 2,037,333.90 = 647,863.88 : x
  2. Step 2: Convert to fraction form
    1,357,927.76/2,037,333.90 = 647,863.88/x
  3. Step 3: Cross multiply
    1,357,927.76x = 2,037,333.90 × 647,863.88
  4. Step 4: Simplify right side
    1,357,927.76x = 1,319,915,045,309.53
  5. Step 5: Solve for x
    x = 1,319,915,045,309.53/1,357,927.76
  6. Step 6: Final answer
    x = 972,006.82

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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.