Home / 1,169,189.15-1,613,617.16-972,608.36

Finding the Fourth Proportional to 1,169,189.15, 1,613,617.16 and 972,608.36

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Solution

The fourth proportional to 1,169,189.15, 1,613,617.16 and 972,608.36 is: 1,342,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,189.15 : 1,613,617.16 = 972,608.36 : x
  2. Step 2: Convert to fraction form
    1,169,189.15/1,613,617.16 = 972,608.36/x
  3. Step 3: Cross multiply
    1,169,189.15x = 1,613,617.16 × 972,608.36
  4. Step 4: Simplify right side
    1,169,189.15x = 1,569,417,526,724.33
  5. Step 5: Solve for x
    x = 1,569,417,526,724.33/1,169,189.15
  6. Step 6: Final answer
    x = 1,342,312.78

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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.