Home / 1,142,275.32-1,713,191.42-432,358.74

Finding the Fourth Proportional to 1,142,275.32, 1,713,191.42 and 432,358.74

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Solution

The fourth proportional to 1,142,275.32, 1,713,191.42 and 432,358.74 is: 648,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,275.32 : 1,713,191.42 = 432,358.74 : x
  2. Step 2: Convert to fraction form
    1,142,275.32/1,713,191.42 = 432,358.74/x
  3. Step 3: Cross multiply
    1,142,275.32x = 1,713,191.42 × 432,358.74
  4. Step 4: Simplify right side
    1,142,275.32x = 740,713,283,730.01
  5. Step 5: Solve for x
    x = 740,713,283,730.01/1,142,275.32
  6. Step 6: Final answer
    x = 648,454.25

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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.