Home / 1,240,239.60-1,860,359.40-883,321.20

Finding the Fourth Proportional to 1,240,239.60, 1,860,359.40 and 883,321.20

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Solution

The fourth proportional to 1,240,239.60, 1,860,359.40 and 883,321.20 is: 1,324,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,239.60 : 1,860,359.40 = 883,321.20 : x
  2. Step 2: Convert to fraction form
    1,240,239.60/1,860,359.40 = 883,321.20/x
  3. Step 3: Cross multiply
    1,240,239.60x = 1,860,359.40 × 883,321.20
  4. Step 4: Simplify right side
    1,240,239.60x = 1,643,294,897,639.28
  5. Step 5: Solve for x
    x = 1,643,294,897,639.28/1,240,239.60
  6. Step 6: Final answer
    x = 1,324,981.80

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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.