Home / 1,385,680.05-2,077,726.41-425,885.94

Finding the Fourth Proportional to 1,385,680.05, 2,077,726.41 and 425,885.94

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Solution

The fourth proportional to 1,385,680.05, 2,077,726.41 and 425,885.94 is: 638,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,680.05 : 2,077,726.41 = 425,885.94 : x
  2. Step 2: Convert to fraction form
    1,385,680.05/2,077,726.41 = 425,885.94/x
  3. Step 3: Cross multiply
    1,385,680.05x = 2,077,726.41 × 425,885.94
  4. Step 4: Simplify right side
    1,385,680.05x = 884,874,465,185.68
  5. Step 5: Solve for x
    x = 884,874,465,185.68/1,385,680.05
  6. Step 6: Final answer
    x = 638,584.98

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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.