Home / 1,377,199.80-2,065,799.70-929,302.20

Finding the Fourth Proportional to 1,377,199.80, 2,065,799.70 and 929,302.20

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Solution

The fourth proportional to 1,377,199.80, 2,065,799.70 and 929,302.20 is: 1,393,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,199.80 : 2,065,799.70 = 929,302.20 : x
  2. Step 2: Convert to fraction form
    1,377,199.80/2,065,799.70 = 929,302.20/x
  3. Step 3: Cross multiply
    1,377,199.80x = 2,065,799.70 × 929,302.20
  4. Step 4: Simplify right side
    1,377,199.80x = 1,919,752,205,969.34
  5. Step 5: Solve for x
    x = 1,919,752,205,969.34/1,377,199.80
  6. Step 6: Final answer
    x = 1,393,953.30

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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.