Home / 864,100.60-1,296,150.90-738,129.40

Finding the Fourth Proportional to 864,100.60, 1,296,150.90 and 738,129.40

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Solution

The fourth proportional to 864,100.60, 1,296,150.90 and 738,129.40 is: 1,107,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,100.60 : 1,296,150.90 = 738,129.40 : x
  2. Step 2: Convert to fraction form
    864,100.60/1,296,150.90 = 738,129.40/x
  3. Step 3: Cross multiply
    864,100.60x = 1,296,150.90 × 738,129.40
  4. Step 4: Simplify right side
    864,100.60x = 956,727,086,126.46
  5. Step 5: Solve for x
    x = 956,727,086,126.46/864,100.60
  6. Step 6: Final answer
    x = 1,107,194.10

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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.