Home / 1,377,181.80-2,065,772.70-929,284.20

Finding the Fourth Proportional to 1,377,181.80, 2,065,772.70 and 929,284.20

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Solution

The fourth proportional to 1,377,181.80, 2,065,772.70 and 929,284.20 is: 1,393,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,181.80 : 2,065,772.70 = 929,284.20 : x
  2. Step 2: Convert to fraction form
    1,377,181.80/2,065,772.70 = 929,284.20/x
  3. Step 3: Cross multiply
    1,377,181.80x = 2,065,772.70 × 929,284.20
  4. Step 4: Simplify right side
    1,377,181.80x = 1,919,689,930,901.34
  5. Step 5: Solve for x
    x = 1,919,689,930,901.34/1,377,181.80
  6. Step 6: Final answer
    x = 1,393,926.30

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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.