Home / 1,258,834.71-1,888,265.15-1,007,711.52

Finding the Fourth Proportional to 1,258,834.71, 1,888,265.15 and 1,007,711.52

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Solution

The fourth proportional to 1,258,834.71, 1,888,265.15 and 1,007,711.52 is: 1,511,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,834.71 : 1,888,265.15 = 1,007,711.52 : x
  2. Step 2: Convert to fraction form
    1,258,834.71/1,888,265.15 = 1,007,711.52/x
  3. Step 3: Cross multiply
    1,258,834.71x = 1,888,265.15 × 1,007,711.52
  4. Step 4: Simplify right side
    1,258,834.71x = 1,902,826,529,989.64
  5. Step 5: Solve for x
    x = 1,902,826,529,989.64/1,258,834.71
  6. Step 6: Final answer
    x = 1,511,577.75

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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.