Home / 1,347,061.20-1,859,263.56-774,434.04

Finding the Fourth Proportional to 1,347,061.20, 1,859,263.56 and 774,434.04

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Solution

The fourth proportional to 1,347,061.20, 1,859,263.56 and 774,434.04 is: 1,068,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,061.20 : 1,859,263.56 = 774,434.04 : x
  2. Step 2: Convert to fraction form
    1,347,061.20/1,859,263.56 = 774,434.04/x
  3. Step 3: Cross multiply
    1,347,061.20x = 1,859,263.56 × 774,434.04
  4. Step 4: Simplify right side
    1,347,061.20x = 1,439,876,990,195.58
  5. Step 5: Solve for x
    x = 1,439,876,990,195.58/1,347,061.20
  6. Step 6: Final answer
    x = 1,068,902.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.