Home / 1,121,293.38-1,547,562.06-712,969.56

Finding the Fourth Proportional to 1,121,293.38, 1,547,562.06 and 712,969.56

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Solution

The fourth proportional to 1,121,293.38, 1,547,562.06 and 712,969.56 is: 984,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,293.38 : 1,547,562.06 = 712,969.56 : x
  2. Step 2: Convert to fraction form
    1,121,293.38/1,547,562.06 = 712,969.56/x
  3. Step 3: Cross multiply
    1,121,293.38x = 1,547,562.06 × 712,969.56
  4. Step 4: Simplify right side
    1,121,293.38x = 1,103,364,640,990.89
  5. Step 5: Solve for x
    x = 1,103,364,640,990.89/1,121,293.38
  6. Step 6: Final answer
    x = 984,010.66

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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.