Home / 955,156.63-1,317,996.08-645,732.08

Finding the Fourth Proportional to 955,156.63, 1,317,996.08 and 645,732.08

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Solution

The fourth proportional to 955,156.63, 1,317,996.08 and 645,732.08 is: 891,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,156.63 : 1,317,996.08 = 645,732.08 : x
  2. Step 2: Convert to fraction form
    955,156.63/1,317,996.08 = 645,732.08/x
  3. Step 3: Cross multiply
    955,156.63x = 1,317,996.08 × 645,732.08
  4. Step 4: Simplify right side
    955,156.63x = 851,072,350,170.25
  5. Step 5: Solve for x
    x = 851,072,350,170.25/955,156.63
  6. Step 6: Final answer
    x = 891,029.10

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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.