Home / 1,342,319.22-1,852,400.82-738,707.22

Finding the Fourth Proportional to 1,342,319.22, 1,852,400.82 and 738,707.22

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Solution

The fourth proportional to 1,342,319.22, 1,852,400.82 and 738,707.22 is: 1,019,416.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,319.22 : 1,852,400.82 = 738,707.22 : x
  2. Step 2: Convert to fraction form
    1,342,319.22/1,852,400.82 = 738,707.22/x
  3. Step 3: Cross multiply
    1,342,319.22x = 1,852,400.82 × 738,707.22
  4. Step 4: Simplify right side
    1,342,319.22x = 1,368,381,853,121.42
  5. Step 5: Solve for x
    x = 1,368,381,853,121.42/1,342,319.22
  6. Step 6: Final answer
    x = 1,019,416.12

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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.