Home / 1,024,909.80-1,536,068.70-392,980.20

Finding the Fourth Proportional to 1,024,909.80, 1,536,068.70 and 392,980.20

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Solution

The fourth proportional to 1,024,909.80, 1,536,068.70 and 392,980.20 is: 588,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,909.80 : 1,536,068.70 = 392,980.20 : x
  2. Step 2: Convert to fraction form
    1,024,909.80/1,536,068.70 = 392,980.20/x
  3. Step 3: Cross multiply
    1,024,909.80x = 1,536,068.70 × 392,980.20
  4. Step 4: Simplify right side
    1,024,909.80x = 603,644,584,939.74
  5. Step 5: Solve for x
    x = 603,644,584,939.74/1,024,909.80
  6. Step 6: Final answer
    x = 588,973.38

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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.