Home / 1,328,802.88-1,833,722.40-725,195.20

Finding the Fourth Proportional to 1,328,802.88, 1,833,722.40 and 725,195.20

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Solution

The fourth proportional to 1,328,802.88, 1,833,722.40 and 725,195.20 is: 1,000,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,802.88 : 1,833,722.40 = 725,195.20 : x
  2. Step 2: Convert to fraction form
    1,328,802.88/1,833,722.40 = 725,195.20/x
  3. Step 3: Cross multiply
    1,328,802.88x = 1,833,722.40 × 725,195.20
  4. Step 4: Simplify right side
    1,328,802.88x = 1,329,806,682,612.48
  5. Step 5: Solve for x
    x = 1,329,806,682,612.48/1,328,802.88
  6. Step 6: Final answer
    x = 1,000,755.42

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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.