Home / 849,972.42-1,268,739.90-749,084.76

Finding the Fourth Proportional to 849,972.42, 1,268,739.90 and 749,084.76

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Solution

The fourth proportional to 849,972.42, 1,268,739.90 and 749,084.76 is: 1,118,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,972.42 : 1,268,739.90 = 749,084.76 : x
  2. Step 2: Convert to fraction form
    849,972.42/1,268,739.90 = 749,084.76/x
  3. Step 3: Cross multiply
    849,972.42x = 1,268,739.90 × 749,084.76
  4. Step 4: Simplify right side
    849,972.42x = 950,393,723,493.92
  5. Step 5: Solve for x
    x = 950,393,723,493.92/849,972.42
  6. Step 6: Final answer
    x = 1,118,146.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.