Home / 1,312,755.56-1,969,465.66-366,126.30

Finding the Fourth Proportional to 1,312,755.56, 1,969,465.66 and 366,126.30

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Solution

The fourth proportional to 1,312,755.56, 1,969,465.66 and 366,126.30 is: 549,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,755.56 : 1,969,465.66 = 366,126.30 : x
  2. Step 2: Convert to fraction form
    1,312,755.56/1,969,465.66 = 366,126.30/x
  3. Step 3: Cross multiply
    1,312,755.56x = 1,969,465.66 × 366,126.30
  4. Step 4: Simplify right side
    1,312,755.56x = 721,073,175,072.86
  5. Step 5: Solve for x
    x = 721,073,175,072.86/1,312,755.56
  6. Step 6: Final answer
    x = 549,282.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.