Home / 1,464,235.32-2,020,686.96-819,651.66

Finding the Fourth Proportional to 1,464,235.32, 2,020,686.96 and 819,651.66

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Solution

The fourth proportional to 1,464,235.32, 2,020,686.96 and 819,651.66 is: 1,131,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,235.32 : 2,020,686.96 = 819,651.66 : x
  2. Step 2: Convert to fraction form
    1,464,235.32/2,020,686.96 = 819,651.66/x
  3. Step 3: Cross multiply
    1,464,235.32x = 2,020,686.96 × 819,651.66
  4. Step 4: Simplify right side
    1,464,235.32x = 1,656,259,421,104.35
  5. Step 5: Solve for x
    x = 1,656,259,421,104.35/1,464,235.32
  6. Step 6: Final answer
    x = 1,131,142.92

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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.