Home / 966,129.12-1,331,065.04-747,586.40

Finding the Fourth Proportional to 966,129.12, 1,331,065.04 and 747,586.40

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Solution

The fourth proportional to 966,129.12, 1,331,065.04 and 747,586.40 is: 1,029,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,129.12 : 1,331,065.04 = 747,586.40 : x
  2. Step 2: Convert to fraction form
    966,129.12/1,331,065.04 = 747,586.40/x
  3. Step 3: Cross multiply
    966,129.12x = 1,331,065.04 × 747,586.40
  4. Step 4: Simplify right side
    966,129.12x = 995,086,111,026.20
  5. Step 5: Solve for x
    x = 995,086,111,026.20/966,129.12
  6. Step 6: Final answer
    x = 1,029,972.17

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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.