Home / 1,454,285.80-2,181,538.05-389,304.28

Finding the Fourth Proportional to 1,454,285.80, 2,181,538.05 and 389,304.28

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Solution

The fourth proportional to 1,454,285.80, 2,181,538.05 and 389,304.28 is: 583,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,285.80 : 2,181,538.05 = 389,304.28 : x
  2. Step 2: Convert to fraction form
    1,454,285.80/2,181,538.05 = 389,304.28/x
  3. Step 3: Cross multiply
    1,454,285.80x = 2,181,538.05 × 389,304.28
  4. Step 4: Simplify right side
    1,454,285.80x = 849,282,099,847.85
  5. Step 5: Solve for x
    x = 849,282,099,847.85/1,454,285.80
  6. Step 6: Final answer
    x = 583,985.69

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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.