Home / 1,815,291.60-2,722,937.40-749,979.60

Finding the Fourth Proportional to 1,815,291.60, 2,722,937.40 and 749,979.60

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Solution

The fourth proportional to 1,815,291.60, 2,722,937.40 and 749,979.60 is: 1,124,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,291.60 : 2,722,937.40 = 749,979.60 : x
  2. Step 2: Convert to fraction form
    1,815,291.60/2,722,937.40 = 749,979.60/x
  3. Step 3: Cross multiply
    1,815,291.60x = 2,722,937.40 × 749,979.60
  4. Step 4: Simplify right side
    1,815,291.60x = 2,042,147,502,077.04
  5. Step 5: Solve for x
    x = 2,042,147,502,077.04/1,815,291.60
  6. Step 6: Final answer
    x = 1,124,969.40

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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.