Home / 1,234,040.40-1,851,204.60-392,677.20

Finding the Fourth Proportional to 1,234,040.40, 1,851,204.60 and 392,677.20

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Solution

The fourth proportional to 1,234,040.40, 1,851,204.60 and 392,677.20 is: 589,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,040.40 : 1,851,204.60 = 392,677.20 : x
  2. Step 2: Convert to fraction form
    1,234,040.40/1,851,204.60 = 392,677.20/x
  3. Step 3: Cross multiply
    1,234,040.40x = 1,851,204.60 × 392,677.20
  4. Step 4: Simplify right side
    1,234,040.40x = 726,925,838,955.12
  5. Step 5: Solve for x
    x = 726,925,838,955.12/1,234,040.40
  6. Step 6: Final answer
    x = 589,061.62

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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.