Home / 1,191,156.12-1,643,935.20-707,725.20

Finding the Fourth Proportional to 1,191,156.12, 1,643,935.20 and 707,725.20

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Solution

The fourth proportional to 1,191,156.12, 1,643,935.20 and 707,725.20 is: 976,743.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,156.12 : 1,643,935.20 = 707,725.20 : x
  2. Step 2: Convert to fraction form
    1,191,156.12/1,643,935.20 = 707,725.20/x
  3. Step 3: Cross multiply
    1,191,156.12x = 1,643,935.20 × 707,725.20
  4. Step 4: Simplify right side
    1,191,156.12x = 1,163,454,368,207.04
  5. Step 5: Solve for x
    x = 1,163,454,368,207.04/1,191,156.12
  6. Step 6: Final answer
    x = 976,743.81

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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.