Home / 1,105,273.20-1,657,909.80-825,337.20

Finding the Fourth Proportional to 1,105,273.20, 1,657,909.80 and 825,337.20

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Solution

The fourth proportional to 1,105,273.20, 1,657,909.80 and 825,337.20 is: 1,238,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,273.20 : 1,657,909.80 = 825,337.20 : x
  2. Step 2: Convert to fraction form
    1,105,273.20/1,657,909.80 = 825,337.20/x
  3. Step 3: Cross multiply
    1,105,273.20x = 1,657,909.80 × 825,337.20
  4. Step 4: Simplify right side
    1,105,273.20x = 1,368,334,632,184.56
  5. Step 5: Solve for x
    x = 1,368,334,632,184.56/1,105,273.20
  6. Step 6: Final answer
    x = 1,238,005.80

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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.