Home / 1,245,781.60-1,867,981.20-496,981.60

Finding the Fourth Proportional to 1,245,781.60, 1,867,981.20 and 496,981.60

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Solution

The fourth proportional to 1,245,781.60, 1,867,981.20 and 496,981.60 is: 745,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,781.60 : 1,867,981.20 = 496,981.60 : x
  2. Step 2: Convert to fraction form
    1,245,781.60/1,867,981.20 = 496,981.60/x
  3. Step 3: Cross multiply
    1,245,781.60x = 1,867,981.20 × 496,981.60
  4. Step 4: Simplify right side
    1,245,781.60x = 928,352,285,545.92
  5. Step 5: Solve for x
    x = 928,352,285,545.92/1,245,781.60
  6. Step 6: Final answer
    x = 745,196.66

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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.