Home / 1,929,418.40-2,894,412.72-666,907.04

Finding the Fourth Proportional to 1,929,418.40, 2,894,412.72 and 666,907.04

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Solution

The fourth proportional to 1,929,418.40, 2,894,412.72 and 666,907.04 is: 1,000,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,418.40 : 2,894,412.72 = 666,907.04 : x
  2. Step 2: Convert to fraction form
    1,929,418.40/2,894,412.72 = 666,907.04/x
  3. Step 3: Cross multiply
    1,929,418.40x = 2,894,412.72 × 666,907.04
  4. Step 4: Simplify right side
    1,929,418.40x = 1,930,304,219,633.55
  5. Step 5: Solve for x
    x = 1,930,304,219,633.55/1,929,418.40
  6. Step 6: Final answer
    x = 1,000,459.11

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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.