Home / 816,000.10-1,224,000.15-784,896.10

Finding the Fourth Proportional to 816,000.10, 1,224,000.15 and 784,896.10

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Solution

The fourth proportional to 816,000.10, 1,224,000.15 and 784,896.10 is: 1,177,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,000.10 : 1,224,000.15 = 784,896.10 : x
  2. Step 2: Convert to fraction form
    816,000.10/1,224,000.15 = 784,896.10/x
  3. Step 3: Cross multiply
    816,000.10x = 1,224,000.15 × 784,896.10
  4. Step 4: Simplify right side
    816,000.10x = 960,712,944,134.42
  5. Step 5: Solve for x
    x = 960,712,944,134.42/816,000.10
  6. Step 6: Final answer
    x = 1,177,344.15

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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.