Home / 1,280,308.16-1,766,843.84-707,361.53

Finding the Fourth Proportional to 1,280,308.16, 1,766,843.84 and 707,361.53

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Solution

The fourth proportional to 1,280,308.16, 1,766,843.84 and 707,361.53 is: 976,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,308.16 : 1,766,843.84 = 707,361.53 : x
  2. Step 2: Convert to fraction form
    1,280,308.16/1,766,843.84 = 707,361.53/x
  3. Step 3: Cross multiply
    1,280,308.16x = 1,766,843.84 × 707,361.53
  4. Step 4: Simplify right side
    1,280,308.16x = 1,249,797,361,933.48
  5. Step 5: Solve for x
    x = 1,249,797,361,933.48/1,280,308.16
  6. Step 6: Final answer
    x = 976,169.18

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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.