Home / 1,358,612.72-2,036,110.66-718,779.90

Finding the Fourth Proportional to 1,358,612.72, 2,036,110.66 and 718,779.90

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Solution

The fourth proportional to 1,358,612.72, 2,036,110.66 and 718,779.90 is: 1,077,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,612.72 : 2,036,110.66 = 718,779.90 : x
  2. Step 2: Convert to fraction form
    1,358,612.72/2,036,110.66 = 718,779.90/x
  3. Step 3: Cross multiply
    1,358,612.72x = 2,036,110.66 × 718,779.90
  4. Step 4: Simplify right side
    1,358,612.72x = 1,463,515,416,583.73
  5. Step 5: Solve for x
    x = 1,463,515,416,583.73/1,358,612.72
  6. Step 6: Final answer
    x = 1,077,213.10

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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.