Home / 1,109,695.14-1,664,148.78-399,532.50

Finding the Fourth Proportional to 1,109,695.14, 1,664,148.78 and 399,532.50

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Solution

The fourth proportional to 1,109,695.14, 1,664,148.78 and 399,532.50 is: 599,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,695.14 : 1,664,148.78 = 399,532.50 : x
  2. Step 2: Convert to fraction form
    1,109,695.14/1,664,148.78 = 399,532.50/x
  3. Step 3: Cross multiply
    1,109,695.14x = 1,664,148.78 × 399,532.50
  4. Step 4: Simplify right side
    1,109,695.14x = 664,881,522,445.35
  5. Step 5: Solve for x
    x = 664,881,522,445.35/1,109,695.14
  6. Step 6: Final answer
    x = 599,156.92

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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.