Home / 917,998.80-1,376,998.20-708,046.80

Finding the Fourth Proportional to 917,998.80, 1,376,998.20 and 708,046.80

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Solution

The fourth proportional to 917,998.80, 1,376,998.20 and 708,046.80 is: 1,062,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,998.80 : 1,376,998.20 = 708,046.80 : x
  2. Step 2: Convert to fraction form
    917,998.80/1,376,998.20 = 708,046.80/x
  3. Step 3: Cross multiply
    917,998.80x = 1,376,998.20 × 708,046.80
  4. Step 4: Simplify right side
    917,998.80x = 974,979,169,115.76
  5. Step 5: Solve for x
    x = 974,979,169,115.76/917,998.80
  6. Step 6: Final answer
    x = 1,062,070.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.