Home / 1,142,276.32-1,713,192.92-432,359.74

Finding the Fourth Proportional to 1,142,276.32, 1,713,192.92 and 432,359.74

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Solution

The fourth proportional to 1,142,276.32, 1,713,192.92 and 432,359.74 is: 648,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,276.32 : 1,713,192.92 = 432,359.74 : x
  2. Step 2: Convert to fraction form
    1,142,276.32/1,713,192.92 = 432,359.74/x
  3. Step 3: Cross multiply
    1,142,276.32x = 1,713,192.92 × 432,359.74
  4. Step 4: Simplify right side
    1,142,276.32x = 740,715,645,461.04
  5. Step 5: Solve for x
    x = 740,715,645,461.04/1,142,276.32
  6. Step 6: Final answer
    x = 648,455.75

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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.