Home / 1,443,780.14-2,167,799.20-805,331.30

Finding the Fourth Proportional to 1,443,780.14, 2,167,799.20 and 805,331.30

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Solution

The fourth proportional to 1,443,780.14, 2,167,799.20 and 805,331.30 is: 1,209,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,780.14 : 2,167,799.20 = 805,331.30 : x
  2. Step 2: Convert to fraction form
    1,443,780.14/2,167,799.20 = 805,331.30/x
  3. Step 3: Cross multiply
    1,443,780.14x = 2,167,799.20 × 805,331.30
  4. Step 4: Simplify right side
    1,443,780.14x = 1,745,796,547,874.96
  5. Step 5: Solve for x
    x = 1,745,796,547,874.96/1,443,780.14
  6. Step 6: Final answer
    x = 1,209,184.49

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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.