Home / 1,217,891.48-1,680,280.44-708,174.68

Finding the Fourth Proportional to 1,217,891.48, 1,680,280.44 and 708,174.68

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Solution

The fourth proportional to 1,217,891.48, 1,680,280.44 and 708,174.68 is: 977,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,891.48 : 1,680,280.44 = 708,174.68 : x
  2. Step 2: Convert to fraction form
    1,217,891.48/1,680,280.44 = 708,174.68/x
  3. Step 3: Cross multiply
    1,217,891.48x = 1,680,280.44 × 708,174.68
  4. Step 4: Simplify right side
    1,217,891.48x = 1,189,932,062,907.26
  5. Step 5: Solve for x
    x = 1,189,932,062,907.26/1,217,891.48
  6. Step 6: Final answer
    x = 977,042.77

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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.