Home / 814,446.90-1,224,003.15-711,803.70

Finding the Fourth Proportional to 814,446.90, 1,224,003.15 and 711,803.70

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Solution

The fourth proportional to 814,446.90, 1,224,003.15 and 711,803.70 is: 1,069,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,446.90 : 1,224,003.15 = 711,803.70 : x
  2. Step 2: Convert to fraction form
    814,446.90/1,224,003.15 = 711,803.70/x
  3. Step 3: Cross multiply
    814,446.90x = 1,224,003.15 × 711,803.70
  4. Step 4: Simplify right side
    814,446.90x = 871,249,970,981.66
  5. Step 5: Solve for x
    x = 871,249,970,981.66/814,446.90
  6. Step 6: Final answer
    x = 1,069,744.35

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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.