Home / 1,073,134.10-1,609,117.95-442,111.70

Finding the Fourth Proportional to 1,073,134.10, 1,609,117.95 and 442,111.70

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Solution

The fourth proportional to 1,073,134.10, 1,609,117.95 and 442,111.70 is: 662,927.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,134.10 : 1,609,117.95 = 442,111.70 : x
  2. Step 2: Convert to fraction form
    1,073,134.10/1,609,117.95 = 442,111.70/x
  3. Step 3: Cross multiply
    1,073,134.10x = 1,609,117.95 × 442,111.70
  4. Step 4: Simplify right side
    1,073,134.10x = 711,409,872,375.02
  5. Step 5: Solve for x
    x = 711,409,872,375.02/1,073,134.10
  6. Step 6: Final answer
    x = 662,927.28

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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.