Home / 1,472,077.60-2,206,561.20-839,629.60

Finding the Fourth Proportional to 1,472,077.60, 2,206,561.20 and 839,629.60

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Solution

The fourth proportional to 1,472,077.60, 2,206,561.20 and 839,629.60 is: 1,258,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,077.60 : 2,206,561.20 = 839,629.60 : x
  2. Step 2: Convert to fraction form
    1,472,077.60/2,206,561.20 = 839,629.60/x
  3. Step 3: Cross multiply
    1,472,077.60x = 2,206,561.20 × 839,629.60
  4. Step 4: Simplify right side
    1,472,077.60x = 1,852,694,097,731.52
  5. Step 5: Solve for x
    x = 1,852,694,097,731.52/1,472,077.60
  6. Step 6: Final answer
    x = 1,258,557.36

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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.