Home / 1,298,948.60-1,948,422.90-739,076.60

Finding the Fourth Proportional to 1,298,948.60, 1,948,422.90 and 739,076.60

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Solution

The fourth proportional to 1,298,948.60, 1,948,422.90 and 739,076.60 is: 1,108,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,948.60 : 1,948,422.90 = 739,076.60 : x
  2. Step 2: Convert to fraction form
    1,298,948.60/1,948,422.90 = 739,076.60/x
  3. Step 3: Cross multiply
    1,298,948.60x = 1,948,422.90 × 739,076.60
  4. Step 4: Simplify right side
    1,298,948.60x = 1,440,033,772,294.14
  5. Step 5: Solve for x
    x = 1,440,033,772,294.14/1,298,948.60
  6. Step 6: Final answer
    x = 1,108,614.90

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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.