Home / 1,542,430.20-2,309,708.70-1,227,502.20

Finding the Fourth Proportional to 1,542,430.20, 2,309,708.70 and 1,227,502.20

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Solution

The fourth proportional to 1,542,430.20, 2,309,708.70 and 1,227,502.20 is: 1,838,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,430.20 : 2,309,708.70 = 1,227,502.20 : x
  2. Step 2: Convert to fraction form
    1,542,430.20/2,309,708.70 = 1,227,502.20/x
  3. Step 3: Cross multiply
    1,542,430.20x = 2,309,708.70 × 1,227,502.20
  4. Step 4: Simplify right side
    1,542,430.20x = 2,835,172,510,609.14
  5. Step 5: Solve for x
    x = 2,835,172,510,609.14/1,542,430.20
  6. Step 6: Final answer
    x = 1,838,120.46

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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.