Home / 1,144,971.38-1,580,347.77-661,817.18

Finding the Fourth Proportional to 1,144,971.38, 1,580,347.77 and 661,817.18

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Solution

The fourth proportional to 1,144,971.38, 1,580,347.77 and 661,817.18 is: 913,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,971.38 : 1,580,347.77 = 661,817.18 : x
  2. Step 2: Convert to fraction form
    1,144,971.38/1,580,347.77 = 661,817.18/x
  3. Step 3: Cross multiply
    1,144,971.38x = 1,580,347.77 × 661,817.18
  4. Step 4: Simplify right side
    1,144,971.38x = 1,045,901,306,029.74
  5. Step 5: Solve for x
    x = 1,045,901,306,029.74/1,144,971.38
  6. Step 6: Final answer
    x = 913,473.75

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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.