Home / 992,065.53-1,487,827.92-272,236.56

Finding the Fourth Proportional to 992,065.53, 1,487,827.92 and 272,236.56

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Solution

The fourth proportional to 992,065.53, 1,487,827.92 and 272,236.56 is: 408,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,065.53 : 1,487,827.92 = 272,236.56 : x
  2. Step 2: Convert to fraction form
    992,065.53/1,487,827.92 = 272,236.56/x
  3. Step 3: Cross multiply
    992,065.53x = 1,487,827.92 × 272,236.56
  4. Step 4: Simplify right side
    992,065.53x = 405,041,154,812.76
  5. Step 5: Solve for x
    x = 405,041,154,812.76/992,065.53
  6. Step 6: Final answer
    x = 408,280.65

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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.