Home / 1,222,750.80-1,832,467.32-690,008.40

Finding the Fourth Proportional to 1,222,750.80, 1,832,467.32 and 690,008.40

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Solution

The fourth proportional to 1,222,750.80, 1,832,467.32 and 690,008.40 is: 1,034,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,750.80 : 1,832,467.32 = 690,008.40 : x
  2. Step 2: Convert to fraction form
    1,222,750.80/1,832,467.32 = 690,008.40/x
  3. Step 3: Cross multiply
    1,222,750.80x = 1,832,467.32 × 690,008.40
  4. Step 4: Simplify right side
    1,222,750.80x = 1,264,417,843,525.49
  5. Step 5: Solve for x
    x = 1,264,417,843,525.49/1,222,750.80
  6. Step 6: Final answer
    x = 1,034,076.48

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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.