Home / 1,377,240.30-2,065,860.45-929,342.70

Finding the Fourth Proportional to 1,377,240.30, 2,065,860.45 and 929,342.70

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Solution

The fourth proportional to 1,377,240.30, 2,065,860.45 and 929,342.70 is: 1,394,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,240.30 : 2,065,860.45 = 929,342.70 : x
  2. Step 2: Convert to fraction form
    1,377,240.30/2,065,860.45 = 929,342.70/x
  3. Step 3: Cross multiply
    1,377,240.30x = 2,065,860.45 × 929,342.70
  4. Step 4: Simplify right side
    1,377,240.30x = 1,919,892,328,426.22
  5. Step 5: Solve for x
    x = 1,919,892,328,426.22/1,377,240.30
  6. Step 6: Final answer
    x = 1,394,014.05

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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.