Home / 916,523.60-1,374,785.40-820,101.20

Finding the Fourth Proportional to 916,523.60, 1,374,785.40 and 820,101.20

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Solution

The fourth proportional to 916,523.60, 1,374,785.40 and 820,101.20 is: 1,230,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,523.60 : 1,374,785.40 = 820,101.20 : x
  2. Step 2: Convert to fraction form
    916,523.60/1,374,785.40 = 820,101.20/x
  3. Step 3: Cross multiply
    916,523.60x = 1,374,785.40 × 820,101.20
  4. Step 4: Simplify right side
    916,523.60x = 1,127,463,156,282.48
  5. Step 5: Solve for x
    x = 1,127,463,156,282.48/916,523.60
  6. Step 6: Final answer
    x = 1,230,151.80

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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.