Home / 1,281,971.80-1,922,957.70-652,115.80

Finding the Fourth Proportional to 1,281,971.80, 1,922,957.70 and 652,115.80

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Solution

The fourth proportional to 1,281,971.80, 1,922,957.70 and 652,115.80 is: 978,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,971.80 : 1,922,957.70 = 652,115.80 : x
  2. Step 2: Convert to fraction form
    1,281,971.80/1,922,957.70 = 652,115.80/x
  3. Step 3: Cross multiply
    1,281,971.80x = 1,922,957.70 × 652,115.80
  4. Step 4: Simplify right side
    1,281,971.80x = 1,253,991,098,901.66
  5. Step 5: Solve for x
    x = 1,253,991,098,901.66/1,281,971.80
  6. Step 6: Final answer
    x = 978,173.70

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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.