Home / 1,926,328.60-2,887,419.30-727,787.80

Finding the Fourth Proportional to 1,926,328.60, 2,887,419.30 and 727,787.80

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Solution

The fourth proportional to 1,926,328.60, 2,887,419.30 and 727,787.80 is: 1,090,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,328.60 : 2,887,419.30 = 727,787.80 : x
  2. Step 2: Convert to fraction form
    1,926,328.60/2,887,419.30 = 727,787.80/x
  3. Step 3: Cross multiply
    1,926,328.60x = 2,887,419.30 × 727,787.80
  4. Step 4: Simplify right side
    1,926,328.60x = 2,101,428,540,024.54
  5. Step 5: Solve for x
    x = 2,101,428,540,024.54/1,926,328.60
  6. Step 6: Final answer
    x = 1,090,898.27

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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.