Home / 1,007,189.12-1,509,040.56-707,100.32

Finding the Fourth Proportional to 1,007,189.12, 1,509,040.56 and 707,100.32

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Solution

The fourth proportional to 1,007,189.12, 1,509,040.56 and 707,100.32 is: 1,059,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,189.12 : 1,509,040.56 = 707,100.32 : x
  2. Step 2: Convert to fraction form
    1,007,189.12/1,509,040.56 = 707,100.32/x
  3. Step 3: Cross multiply
    1,007,189.12x = 1,509,040.56 × 707,100.32
  4. Step 4: Simplify right side
    1,007,189.12x = 1,067,043,062,868.98
  5. Step 5: Solve for x
    x = 1,067,043,062,868.98/1,007,189.12
  6. Step 6: Final answer
    x = 1,059,426.72

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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.