Home / 1,280,832.95-1,767,480.09-707,836.22

Finding the Fourth Proportional to 1,280,832.95, 1,767,480.09 and 707,836.22

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Solution

The fourth proportional to 1,280,832.95, 1,767,480.09 and 707,836.22 is: 976,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,832.95 : 1,767,480.09 = 707,836.22 : x
  2. Step 2: Convert to fraction form
    1,280,832.95/1,767,480.09 = 707,836.22/x
  3. Step 3: Cross multiply
    1,280,832.95x = 1,767,480.09 × 707,836.22
  4. Step 4: Simplify right side
    1,280,832.95x = 1,251,086,424,948.70
  5. Step 5: Solve for x
    x = 1,251,086,424,948.70/1,280,832.95
  6. Step 6: Final answer
    x = 976,775.64

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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.