Home / 1,280,710.88-1,767,417.60-699,966.25

Finding the Fourth Proportional to 1,280,710.88, 1,767,417.60 and 699,966.25

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Solution

The fourth proportional to 1,280,710.88, 1,767,417.60 and 699,966.25 is: 965,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,710.88 : 1,767,417.60 = 699,966.25 : x
  2. Step 2: Convert to fraction form
    1,280,710.88/1,767,417.60 = 699,966.25/x
  3. Step 3: Cross multiply
    1,280,710.88x = 1,767,417.60 × 699,966.25
  4. Step 4: Simplify right side
    1,280,710.88x = 1,237,132,667,862.33
  5. Step 5: Solve for x
    x = 1,237,132,667,862.33/1,280,710.88
  6. Step 6: Final answer
    x = 965,973.42

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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.