Home / 1,335,648.65-1,998,684.02-1,156,350.80

Finding the Fourth Proportional to 1,335,648.65, 1,998,684.02 and 1,156,350.80

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Solution

The fourth proportional to 1,335,648.65, 1,998,684.02 and 1,156,350.80 is: 1,730,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,648.65 : 1,998,684.02 = 1,156,350.80 : x
  2. Step 2: Convert to fraction form
    1,335,648.65/1,998,684.02 = 1,156,350.80/x
  3. Step 3: Cross multiply
    1,335,648.65x = 1,998,684.02 × 1,156,350.80
  4. Step 4: Simplify right side
    1,335,648.65x = 2,311,179,849,699.04
  5. Step 5: Solve for x
    x = 2,311,179,849,699.04/1,335,648.65
  6. Step 6: Final answer
    x = 1,730,380.11

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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.