Home / 1,142,356.90-1,714,191.45-432,894.10

Finding the Fourth Proportional to 1,142,356.90, 1,714,191.45 and 432,894.10

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Solution

The fourth proportional to 1,142,356.90, 1,714,191.45 and 432,894.10 is: 649,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,356.90 : 1,714,191.45 = 432,894.10 : x
  2. Step 2: Convert to fraction form
    1,142,356.90/1,714,191.45 = 432,894.10/x
  3. Step 3: Cross multiply
    1,142,356.90x = 1,714,191.45 × 432,894.10
  4. Step 4: Simplify right side
    1,142,356.90x = 742,063,364,975.45
  5. Step 5: Solve for x
    x = 742,063,364,975.45/1,142,356.90
  6. Step 6: Final answer
    x = 649,589.78

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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.