Home / 1,377,422.80-2,066,425.80-417,799.60

Finding the Fourth Proportional to 1,377,422.80, 2,066,425.80 and 417,799.60

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Solution

The fourth proportional to 1,377,422.80, 2,066,425.80 and 417,799.60 is: 626,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,422.80 : 2,066,425.80 = 417,799.60 : x
  2. Step 2: Convert to fraction form
    1,377,422.80/2,066,425.80 = 417,799.60/x
  3. Step 3: Cross multiply
    1,377,422.80x = 2,066,425.80 × 417,799.60
  4. Step 4: Simplify right side
    1,377,422.80x = 863,351,872,669.68
  5. Step 5: Solve for x
    x = 863,351,872,669.68/1,377,422.80
  6. Step 6: Final answer
    x = 626,787.85

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1.5x scale

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.