Home / 1,423,966.02-2,135,676.86-426,694.02

Finding the Fourth Proportional to 1,423,966.02, 2,135,676.86 and 426,694.02

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Solution

The fourth proportional to 1,423,966.02, 2,135,676.86 and 426,694.02 is: 639,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,966.02 : 2,135,676.86 = 426,694.02 : x
  2. Step 2: Convert to fraction form
    1,423,966.02/2,135,676.86 = 426,694.02/x
  3. Step 3: Cross multiply
    1,423,966.02x = 2,135,676.86 × 426,694.02
  4. Step 4: Simplify right side
    1,423,966.02x = 911,280,544,814.38
  5. Step 5: Solve for x
    x = 911,280,544,814.38/1,423,966.02
  6. Step 6: Final answer
    x = 639,959.47

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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.