Home / 864,117.90-1,296,176.85-724,149.90

Finding the Fourth Proportional to 864,117.90, 1,296,176.85 and 724,149.90

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Solution

The fourth proportional to 864,117.90, 1,296,176.85 and 724,149.90 is: 1,086,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,117.90 : 1,296,176.85 = 724,149.90 : x
  2. Step 2: Convert to fraction form
    864,117.90/1,296,176.85 = 724,149.90/x
  3. Step 3: Cross multiply
    864,117.90x = 1,296,176.85 × 724,149.90
  4. Step 4: Simplify right side
    864,117.90x = 938,626,336,309.82
  5. Step 5: Solve for x
    x = 938,626,336,309.82/864,117.90
  6. Step 6: Final answer
    x = 1,086,224.85

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1.5x scale

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.