Home / 1,281,689.98-1,768,697.17-708,710.56

Finding the Fourth Proportional to 1,281,689.98, 1,768,697.17 and 708,710.56

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Solution

The fourth proportional to 1,281,689.98, 1,768,697.17 and 708,710.56 is: 978,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,689.98 : 1,768,697.17 = 708,710.56 : x
  2. Step 2: Convert to fraction form
    1,281,689.98/1,768,697.17 = 708,710.56/x
  3. Step 3: Cross multiply
    1,281,689.98x = 1,768,697.17 × 708,710.56
  4. Step 4: Simplify right side
    1,281,689.98x = 1,253,494,355,627.60
  5. Step 5: Solve for x
    x = 1,253,494,355,627.60/1,281,689.98
  6. Step 6: Final answer
    x = 978,001.22

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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.