Home / 1,154,329.44-1,592,972.10-645,031.80

Finding the Fourth Proportional to 1,154,329.44, 1,592,972.10 and 645,031.80

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Solution

The fourth proportional to 1,154,329.44, 1,592,972.10 and 645,031.80 is: 890,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,329.44 : 1,592,972.10 = 645,031.80 : x
  2. Step 2: Convert to fraction form
    1,154,329.44/1,592,972.10 = 645,031.80/x
  3. Step 3: Cross multiply
    1,154,329.44x = 1,592,972.10 × 645,031.80
  4. Step 4: Simplify right side
    1,154,329.44x = 1,027,517,661,012.78
  5. Step 5: Solve for x
    x = 1,027,517,661,012.78/1,154,329.44
  6. Step 6: Final answer
    x = 890,142.47

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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.