Home / 1,347,057.20-1,859,258.04-774,430.04

Finding the Fourth Proportional to 1,347,057.20, 1,859,258.04 and 774,430.04

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Solution

The fourth proportional to 1,347,057.20, 1,859,258.04 and 774,430.04 is: 1,068,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,057.20 : 1,859,258.04 = 774,430.04 : x
  2. Step 2: Convert to fraction form
    1,347,057.20/1,859,258.04 = 774,430.04/x
  3. Step 3: Cross multiply
    1,347,057.20x = 1,859,258.04 × 774,430.04
  4. Step 4: Simplify right side
    1,347,057.20x = 1,439,865,278,287.52
  5. Step 5: Solve for x
    x = 1,439,865,278,287.52/1,347,057.20
  6. Step 6: Final answer
    x = 1,068,896.91

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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.