Home / 1,154,425.32-1,593,109.10-645,127.70

Finding the Fourth Proportional to 1,154,425.32, 1,593,109.10 and 645,127.70

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Solution

The fourth proportional to 1,154,425.32, 1,593,109.10 and 645,127.70 is: 890,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,425.32 : 1,593,109.10 = 645,127.70 : x
  2. Step 2: Convert to fraction form
    1,154,425.32/1,593,109.10 = 645,127.70/x
  3. Step 3: Cross multiply
    1,154,425.32x = 1,593,109.10 × 645,127.70
  4. Step 4: Simplify right side
    1,154,425.32x = 1,027,758,803,179.34
  5. Step 5: Solve for x
    x = 1,027,758,803,179.34/1,154,425.32
  6. Step 6: Final answer
    x = 890,277.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.