Home / 1,280,187.31-1,766,507.84-707,193.31

Finding the Fourth Proportional to 1,280,187.31, 1,766,507.84 and 707,193.31

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Solution

The fourth proportional to 1,280,187.31, 1,766,507.84 and 707,193.31 is: 975,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,187.31 : 1,766,507.84 = 707,193.31 : x
  2. Step 2: Convert to fraction form
    1,280,187.31/1,766,507.84 = 707,193.31/x
  3. Step 3: Cross multiply
    1,280,187.31x = 1,766,507.84 × 707,193.31
  4. Step 4: Simplify right side
    1,280,187.31x = 1,249,262,528,278.53
  5. Step 5: Solve for x
    x = 1,249,262,528,278.53/1,280,187.31
  6. Step 6: Final answer
    x = 975,843.55

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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.