Home / 1,178,034.42-1,625,644.83-719,915.43

Finding the Fourth Proportional to 1,178,034.42, 1,625,644.83 and 719,915.43

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Solution

The fourth proportional to 1,178,034.42, 1,625,644.83 and 719,915.43 is: 993,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,034.42 : 1,625,644.83 = 719,915.43 : x
  2. Step 2: Convert to fraction form
    1,178,034.42/1,625,644.83 = 719,915.43/x
  3. Step 3: Cross multiply
    1,178,034.42x = 1,625,644.83 × 719,915.43
  4. Step 4: Simplify right side
    1,178,034.42x = 1,170,326,796,816.73
  5. Step 5: Solve for x
    x = 1,170,326,796,816.73/1,178,034.42
  6. Step 6: Final answer
    x = 993,457.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.