Home / 1,328,842.88-1,833,777.60-725,235.20

Finding the Fourth Proportional to 1,328,842.88, 1,833,777.60 and 725,235.20

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Solution

The fourth proportional to 1,328,842.88, 1,833,777.60 and 725,235.20 is: 1,000,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,842.88 : 1,833,777.60 = 725,235.20 : x
  2. Step 2: Convert to fraction form
    1,328,842.88/1,833,777.60 = 725,235.20/x
  3. Step 3: Cross multiply
    1,328,842.88x = 1,833,777.60 × 725,235.20
  4. Step 4: Simplify right side
    1,328,842.88x = 1,329,920,064,491.52
  5. Step 5: Solve for x
    x = 1,329,920,064,491.52/1,328,842.88
  6. Step 6: Final answer
    x = 1,000,810.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.