Home / 815,543.10-1,144,122.30-815,543.10

Finding the Fourth Proportional to 815,543.10, 1,144,122.30 and 815,543.10

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Solution

The fourth proportional to 815,543.10, 1,144,122.30 and 815,543.10 is: 1,144,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,543.10 : 1,144,122.30 = 815,543.10 : x
  2. Step 2: Convert to fraction form
    815,543.10/1,144,122.30 = 815,543.10/x
  3. Step 3: Cross multiply
    815,543.10x = 1,144,122.30 × 815,543.10
  4. Step 4: Simplify right side
    815,543.10x = 933,081,047,321.13
  5. Step 5: Solve for x
    x = 933,081,047,321.13/815,543.10
  6. Step 6: Final answer
    x = 1,144,122.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.