Home / 1,107,042.84-1,659,454.02-386,825.40

Finding the Fourth Proportional to 1,107,042.84, 1,659,454.02 and 386,825.40

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Solution

The fourth proportional to 1,107,042.84, 1,659,454.02 and 386,825.40 is: 579,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,042.84 : 1,659,454.02 = 386,825.40 : x
  2. Step 2: Convert to fraction form
    1,107,042.84/1,659,454.02 = 386,825.40/x
  3. Step 3: Cross multiply
    1,107,042.84x = 1,659,454.02 × 386,825.40
  4. Step 4: Simplify right side
    1,107,042.84x = 641,918,965,068.11
  5. Step 5: Solve for x
    x = 641,918,965,068.11/1,107,042.84
  6. Step 6: Final answer
    x = 579,850.16

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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.