Home / 1,418,651.91-2,122,985.03-886,423.59

Finding the Fourth Proportional to 1,418,651.91, 2,122,985.03 and 886,423.59

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Solution

The fourth proportional to 1,418,651.91, 2,122,985.03 and 886,423.59 is: 1,326,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,651.91 : 2,122,985.03 = 886,423.59 : x
  2. Step 2: Convert to fraction form
    1,418,651.91/2,122,985.03 = 886,423.59/x
  3. Step 3: Cross multiply
    1,418,651.91x = 2,122,985.03 × 886,423.59
  4. Step 4: Simplify right side
    1,418,651.91x = 1,881,864,007,376.74
  5. Step 5: Solve for x
    x = 1,881,864,007,376.74/1,418,651.91
  6. Step 6: Final answer
    x = 1,326,515.68

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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.