Home / 1,105,730.07-1,526,378.31-743,364.11

Finding the Fourth Proportional to 1,105,730.07, 1,526,378.31 and 743,364.11

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Solution

The fourth proportional to 1,105,730.07, 1,526,378.31 and 743,364.11 is: 1,026,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,730.07 : 1,526,378.31 = 743,364.11 : x
  2. Step 2: Convert to fraction form
    1,105,730.07/1,526,378.31 = 743,364.11/x
  3. Step 3: Cross multiply
    1,105,730.07x = 1,526,378.31 × 743,364.11
  4. Step 4: Simplify right side
    1,105,730.07x = 1,134,654,846,304.56
  5. Step 5: Solve for x
    x = 1,134,654,846,304.56/1,105,730.07
  6. Step 6: Final answer
    x = 1,026,158.98

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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.