Home / 1,464,241.32-2,020,695.20-819,657.68

Finding the Fourth Proportional to 1,464,241.32, 2,020,695.20 and 819,657.68

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Solution

The fourth proportional to 1,464,241.32, 2,020,695.20 and 819,657.68 is: 1,131,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,241.32 : 2,020,695.20 = 819,657.68 : x
  2. Step 2: Convert to fraction form
    1,464,241.32/2,020,695.20 = 819,657.68/x
  3. Step 3: Cross multiply
    1,464,241.32x = 2,020,695.20 × 819,657.68
  4. Step 4: Simplify right side
    1,464,241.32x = 1,656,278,339,619.14
  5. Step 5: Solve for x
    x = 1,656,278,339,619.14/1,464,241.32
  6. Step 6: Final answer
    x = 1,131,151.21

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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.