Home / 1,057,191.32-1,585,772.80-258,479.76

Finding the Fourth Proportional to 1,057,191.32, 1,585,772.80 and 258,479.76

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Solution

The fourth proportional to 1,057,191.32, 1,585,772.80 and 258,479.76 is: 387,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,191.32 : 1,585,772.80 = 258,479.76 : x
  2. Step 2: Convert to fraction form
    1,057,191.32/1,585,772.80 = 258,479.76/x
  3. Step 3: Cross multiply
    1,057,191.32x = 1,585,772.80 × 258,479.76
  4. Step 4: Simplify right side
    1,057,191.32x = 409,890,172,758.53
  5. Step 5: Solve for x
    x = 409,890,172,758.53/1,057,191.32
  6. Step 6: Final answer
    x = 387,716.17

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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.