Home / 1,189,572.24-1,641,565.11-645,696.33

Finding the Fourth Proportional to 1,189,572.24, 1,641,565.11 and 645,696.33

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Solution

The fourth proportional to 1,189,572.24, 1,641,565.11 and 645,696.33 is: 891,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,572.24 : 1,641,565.11 = 645,696.33 : x
  2. Step 2: Convert to fraction form
    1,189,572.24/1,641,565.11 = 645,696.33/x
  3. Step 3: Cross multiply
    1,189,572.24x = 1,641,565.11 × 645,696.33
  4. Step 4: Simplify right side
    1,189,572.24x = 1,059,952,566,983.05
  5. Step 5: Solve for x
    x = 1,059,952,566,983.05/1,189,572.24
  6. Step 6: Final answer
    x = 891,036.74

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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.