Home / 970,414.20-1,455,815.70-813,727.80

Finding the Fourth Proportional to 970,414.20, 1,455,815.70 and 813,727.80

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Solution

The fourth proportional to 970,414.20, 1,455,815.70 and 813,727.80 is: 1,220,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,414.20 : 1,455,815.70 = 813,727.80 : x
  2. Step 2: Convert to fraction form
    970,414.20/1,455,815.70 = 813,727.80/x
  3. Step 3: Cross multiply
    970,414.20x = 1,455,815.70 × 813,727.80
  4. Step 4: Simplify right side
    970,414.20x = 1,184,637,706,766.46
  5. Step 5: Solve for x
    x = 1,184,637,706,766.46/970,414.20
  6. Step 6: Final answer
    x = 1,220,754.71

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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.