Home / 1,445,506.08-2,171,387.36-939,806.88

Finding the Fourth Proportional to 1,445,506.08, 2,171,387.36 and 939,806.88

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Solution

The fourth proportional to 1,445,506.08, 2,171,387.36 and 939,806.88 is: 1,411,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,506.08 : 2,171,387.36 = 939,806.88 : x
  2. Step 2: Convert to fraction form
    1,445,506.08/2,171,387.36 = 939,806.88/x
  3. Step 3: Cross multiply
    1,445,506.08x = 2,171,387.36 × 939,806.88
  4. Step 4: Simplify right side
    1,445,506.08x = 2,040,684,780,073.04
  5. Step 5: Solve for x
    x = 2,040,684,780,073.04/1,445,506.08
  6. Step 6: Final answer
    x = 1,411,744.17

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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.