Home / 1,280,947.52-1,767,799.14-707,975.30

Finding the Fourth Proportional to 1,280,947.52, 1,767,799.14 and 707,975.30

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Solution

The fourth proportional to 1,280,947.52, 1,767,799.14 and 707,975.30 is: 977,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,947.52 : 1,767,799.14 = 707,975.30 : x
  2. Step 2: Convert to fraction form
    1,280,947.52/1,767,799.14 = 707,975.30/x
  3. Step 3: Cross multiply
    1,280,947.52x = 1,767,799.14 × 707,975.30
  4. Step 4: Simplify right side
    1,280,947.52x = 1,251,558,126,481.24
  5. Step 5: Solve for x
    x = 1,251,558,126,481.24/1,280,947.52
  6. Step 6: Final answer
    x = 977,056.52

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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.