Home / 1,207,983.04-1,666,974.15-664,114.90

Finding the Fourth Proportional to 1,207,983.04, 1,666,974.15 and 664,114.90

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Solution

The fourth proportional to 1,207,983.04, 1,666,974.15 and 664,114.90 is: 916,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,983.04 : 1,666,974.15 = 664,114.90 : x
  2. Step 2: Convert to fraction form
    1,207,983.04/1,666,974.15 = 664,114.90/x
  3. Step 3: Cross multiply
    1,207,983.04x = 1,666,974.15 × 664,114.90
  4. Step 4: Simplify right side
    1,207,983.04x = 1,107,062,370,929.84
  5. Step 5: Solve for x
    x = 1,107,062,370,929.84/1,207,983.04
  6. Step 6: Final answer
    x = 916,455.23

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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.