Home / 1,385,808.20-2,077,545.90-720,960.20

Finding the Fourth Proportional to 1,385,808.20, 2,077,545.90 and 720,960.20

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Solution

The fourth proportional to 1,385,808.20, 2,077,545.90 and 720,960.20 is: 1,080,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,808.20 : 2,077,545.90 = 720,960.20 : x
  2. Step 2: Convert to fraction form
    1,385,808.20/2,077,545.90 = 720,960.20/x
  3. Step 3: Cross multiply
    1,385,808.20x = 2,077,545.90 × 720,960.20
  4. Step 4: Simplify right side
    1,385,808.20x = 1,497,827,907,573.18
  5. Step 5: Solve for x
    x = 1,497,827,907,573.18/1,385,808.20
  6. Step 6: Final answer
    x = 1,080,833.49

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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.