Home / 1,557,934.61-2,337,020.10-420,680.25

Finding the Fourth Proportional to 1,557,934.61, 2,337,020.10 and 420,680.25

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Solution

The fourth proportional to 1,557,934.61, 2,337,020.10 and 420,680.25 is: 631,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,934.61 : 2,337,020.10 = 420,680.25 : x
  2. Step 2: Convert to fraction form
    1,557,934.61/2,337,020.10 = 420,680.25/x
  3. Step 3: Cross multiply
    1,557,934.61x = 2,337,020.10 × 420,680.25
  4. Step 4: Simplify right side
    1,557,934.61x = 983,138,199,923.03
  5. Step 5: Solve for x
    x = 983,138,199,923.03/1,557,934.61
  6. Step 6: Final answer
    x = 631,052.29

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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.