Home / 840,223.80-1,260,335.70-735,247.80

Finding the Fourth Proportional to 840,223.80, 1,260,335.70 and 735,247.80

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Solution

The fourth proportional to 840,223.80, 1,260,335.70 and 735,247.80 is: 1,102,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,223.80 : 1,260,335.70 = 735,247.80 : x
  2. Step 2: Convert to fraction form
    840,223.80/1,260,335.70 = 735,247.80/x
  3. Step 3: Cross multiply
    840,223.80x = 1,260,335.70 × 735,247.80
  4. Step 4: Simplify right side
    840,223.80x = 926,659,050,686.46
  5. Step 5: Solve for x
    x = 926,659,050,686.46/840,223.80
  6. Step 6: Final answer
    x = 1,102,871.70

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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.