Home / 1,102,590.90-1,653,497.55-392,642.10

Finding the Fourth Proportional to 1,102,590.90, 1,653,497.55 and 392,642.10

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Solution

The fourth proportional to 1,102,590.90, 1,653,497.55 and 392,642.10 is: 588,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,590.90 : 1,653,497.55 = 392,642.10 : x
  2. Step 2: Convert to fraction form
    1,102,590.90/1,653,497.55 = 392,642.10/x
  3. Step 3: Cross multiply
    1,102,590.90x = 1,653,497.55 × 392,642.10
  4. Step 4: Simplify right side
    1,102,590.90x = 649,232,750,376.86
  5. Step 5: Solve for x
    x = 649,232,750,376.86/1,102,590.90
  6. Step 6: Final answer
    x = 588,824.69

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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.