Home / 1,369,572.43-1,889,940.80-749,364.17

Finding the Fourth Proportional to 1,369,572.43, 1,889,940.80 and 749,364.17

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Solution

The fourth proportional to 1,369,572.43, 1,889,940.80 and 749,364.17 is: 1,034,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,572.43 : 1,889,940.80 = 749,364.17 : x
  2. Step 2: Convert to fraction form
    1,369,572.43/1,889,940.80 = 749,364.17/x
  3. Step 3: Cross multiply
    1,369,572.43x = 1,889,940.80 × 749,364.17
  4. Step 4: Simplify right side
    1,369,572.43x = 1,416,253,919,919.17
  5. Step 5: Solve for x
    x = 1,416,253,919,919.17/1,369,572.43
  6. Step 6: Final answer
    x = 1,034,084.72

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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.