Home / 918,113.60-1,377,170.40-694,164.80

Finding the Fourth Proportional to 918,113.60, 1,377,170.40 and 694,164.80

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Solution

The fourth proportional to 918,113.60, 1,377,170.40 and 694,164.80 is: 1,041,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,113.60 : 1,377,170.40 = 694,164.80 : x
  2. Step 2: Convert to fraction form
    918,113.60/1,377,170.40 = 694,164.80/x
  3. Step 3: Cross multiply
    918,113.60x = 1,377,170.40 × 694,164.80
  4. Step 4: Simplify right side
    918,113.60x = 955,983,215,281.92
  5. Step 5: Solve for x
    x = 955,983,215,281.92/918,113.60
  6. Step 6: Final answer
    x = 1,041,247.20

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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.