Home / 1,472,145.60-2,206,663.20-839,697.60

Finding the Fourth Proportional to 1,472,145.60, 2,206,663.20 and 839,697.60

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Solution

The fourth proportional to 1,472,145.60, 2,206,663.20 and 839,697.60 is: 1,258,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,145.60 : 2,206,663.20 = 839,697.60 : x
  2. Step 2: Convert to fraction form
    1,472,145.60/2,206,663.20 = 839,697.60/x
  3. Step 3: Cross multiply
    1,472,145.60x = 2,206,663.20 × 839,697.60
  4. Step 4: Simplify right side
    1,472,145.60x = 1,852,929,793,048.32
  5. Step 5: Solve for x
    x = 1,852,929,793,048.32/1,472,145.60
  6. Step 6: Final answer
    x = 1,258,659.33

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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.