Home / 1,246,053.16-1,869,079.54-299,423.88

Finding the Fourth Proportional to 1,246,053.16, 1,869,079.54 and 299,423.88

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Solution

The fourth proportional to 1,246,053.16, 1,869,079.54 and 299,423.88 is: 449,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,053.16 : 1,869,079.54 = 299,423.88 : x
  2. Step 2: Convert to fraction form
    1,246,053.16/1,869,079.54 = 299,423.88/x
  3. Step 3: Cross multiply
    1,246,053.16x = 1,869,079.54 × 299,423.88
  4. Step 4: Simplify right side
    1,246,053.16x = 559,647,047,895.42
  5. Step 5: Solve for x
    x = 559,647,047,895.42/1,246,053.16
  6. Step 6: Final answer
    x = 449,135.77

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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.