Home / 1,017,920.55-1,526,253.89-343,938.18

Finding the Fourth Proportional to 1,017,920.55, 1,526,253.89 and 343,938.18

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Solution

The fourth proportional to 1,017,920.55, 1,526,253.89 and 343,938.18 is: 515,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,920.55 : 1,526,253.89 = 343,938.18 : x
  2. Step 2: Convert to fraction form
    1,017,920.55/1,526,253.89 = 343,938.18/x
  3. Step 3: Cross multiply
    1,017,920.55x = 1,526,253.89 × 343,938.18
  4. Step 4: Simplify right side
    1,017,920.55x = 524,936,983,424.83
  5. Step 5: Solve for x
    x = 524,936,983,424.83/1,017,920.55
  6. Step 6: Final answer
    x = 515,695.44

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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.