Home / 1,200,517.15-1,800,778.77-490,545.18

Finding the Fourth Proportional to 1,200,517.15, 1,800,778.77 and 490,545.18

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Solution

The fourth proportional to 1,200,517.15, 1,800,778.77 and 490,545.18 is: 735,819.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,517.15 : 1,800,778.77 = 490,545.18 : x
  2. Step 2: Convert to fraction form
    1,200,517.15/1,800,778.77 = 490,545.18/x
  3. Step 3: Cross multiply
    1,200,517.15x = 1,800,778.77 × 490,545.18
  4. Step 4: Simplify right side
    1,200,517.15x = 883,363,345,869.83
  5. Step 5: Solve for x
    x = 883,363,345,869.83/1,200,517.15
  6. Step 6: Final answer
    x = 735,819.01

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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.