Home / 1,280,012.07-1,766,411.25-707,052.24

Finding the Fourth Proportional to 1,280,012.07, 1,766,411.25 and 707,052.24

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Solution

The fourth proportional to 1,280,012.07, 1,766,411.25 and 707,052.24 is: 975,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,012.07 : 1,766,411.25 = 707,052.24 : x
  2. Step 2: Convert to fraction form
    1,280,012.07/1,766,411.25 = 707,052.24/x
  3. Step 3: Cross multiply
    1,280,012.07x = 1,766,411.25 × 707,052.24
  4. Step 4: Simplify right side
    1,280,012.07x = 1,248,945,028,422.25
  5. Step 5: Solve for x
    x = 1,248,945,028,422.25/1,280,012.07
  6. Step 6: Final answer
    x = 975,729.10

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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.