Home / 1,145,159.12-1,717,033.37-386,928.95

Finding the Fourth Proportional to 1,145,159.12, 1,717,033.37 and 386,928.95

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Solution

The fourth proportional to 1,145,159.12, 1,717,033.37 and 386,928.95 is: 580,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,159.12 : 1,717,033.37 = 386,928.95 : x
  2. Step 2: Convert to fraction form
    1,145,159.12/1,717,033.37 = 386,928.95/x
  3. Step 3: Cross multiply
    1,145,159.12x = 1,717,033.37 × 386,928.95
  4. Step 4: Simplify right side
    1,145,159.12x = 664,369,921,327.00
  5. Step 5: Solve for x
    x = 664,369,921,327.00/1,145,159.12
  6. Step 6: Final answer
    x = 580,155.11

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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.