Home / 1,384,836.54-2,080,908.02-745,612.89

Finding the Fourth Proportional to 1,384,836.54, 2,080,908.02 and 745,612.89

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Solution

The fourth proportional to 1,384,836.54, 2,080,908.02 and 745,612.89 is: 1,120,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,836.54 : 2,080,908.02 = 745,612.89 : x
  2. Step 2: Convert to fraction form
    1,384,836.54/2,080,908.02 = 745,612.89/x
  3. Step 3: Cross multiply
    1,384,836.54x = 2,080,908.02 × 745,612.89
  4. Step 4: Simplify right side
    1,384,836.54x = 1,551,551,842,616.38
  5. Step 5: Solve for x
    x = 1,551,551,842,616.38/1,384,836.54
  6. Step 6: Final answer
    x = 1,120,386.27

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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.