Home / 1,280,945.52-1,767,796.38-707,973.30

Finding the Fourth Proportional to 1,280,945.52, 1,767,796.38 and 707,973.30

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Solution

The fourth proportional to 1,280,945.52, 1,767,796.38 and 707,973.30 is: 977,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,945.52 : 1,767,796.38 = 707,973.30 : x
  2. Step 2: Convert to fraction form
    1,280,945.52/1,767,796.38 = 707,973.30/x
  3. Step 3: Cross multiply
    1,280,945.52x = 1,767,796.38 × 707,973.30
  4. Step 4: Simplify right side
    1,280,945.52x = 1,251,552,636,876.65
  5. Step 5: Solve for x
    x = 1,251,552,636,876.65/1,280,945.52
  6. Step 6: Final answer
    x = 977,053.76

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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.