Home / 1,318,275.50-1,819,414.32-834,885.59

Finding the Fourth Proportional to 1,318,275.50, 1,819,414.32 and 834,885.59

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Solution

The fourth proportional to 1,318,275.50, 1,819,414.32 and 834,885.59 is: 1,152,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,275.50 : 1,819,414.32 = 834,885.59 : x
  2. Step 2: Convert to fraction form
    1,318,275.50/1,819,414.32 = 834,885.59/x
  3. Step 3: Cross multiply
    1,318,275.50x = 1,819,414.32 × 834,885.59
  4. Step 4: Simplify right side
    1,318,275.50x = 1,519,002,798,007.65
  5. Step 5: Solve for x
    x = 1,519,002,798,007.65/1,318,275.50
  6. Step 6: Final answer
    x = 1,152,265.06

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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.