Home / 1,281,682.52-1,768,686.88-708,703.10

Finding the Fourth Proportional to 1,281,682.52, 1,768,686.88 and 708,703.10

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Solution

The fourth proportional to 1,281,682.52, 1,768,686.88 and 708,703.10 is: 977,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,682.52 : 1,768,686.88 = 708,703.10 : x
  2. Step 2: Convert to fraction form
    1,281,682.52/1,768,686.88 = 708,703.10/x
  3. Step 3: Cross multiply
    1,281,682.52x = 1,768,686.88 × 708,703.10
  4. Step 4: Simplify right side
    1,281,682.52x = 1,253,473,868,647.66
  5. Step 5: Solve for x
    x = 1,253,473,868,647.66/1,281,682.52
  6. Step 6: Final answer
    x = 977,990.92

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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.