Home / 1,017,102.30-1,404,347.67-891,131.10

Finding the Fourth Proportional to 1,017,102.30, 1,404,347.67 and 891,131.10

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Solution

The fourth proportional to 1,017,102.30, 1,404,347.67 and 891,131.10 is: 1,230,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,102.30 : 1,404,347.67 = 891,131.10 : x
  2. Step 2: Convert to fraction form
    1,017,102.30/1,404,347.67 = 891,131.10/x
  3. Step 3: Cross multiply
    1,017,102.30x = 1,404,347.67 × 891,131.10
  4. Step 4: Simplify right side
    1,017,102.30x = 1,251,457,883,949.54
  5. Step 5: Solve for x
    x = 1,251,457,883,949.54/1,017,102.30
  6. Step 6: Final answer
    x = 1,230,414.96

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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.