Home / 1,078,843.40-1,618,265.10-368,894.60

Finding the Fourth Proportional to 1,078,843.40, 1,618,265.10 and 368,894.60

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Solution

The fourth proportional to 1,078,843.40, 1,618,265.10 and 368,894.60 is: 553,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,843.40 : 1,618,265.10 = 368,894.60 : x
  2. Step 2: Convert to fraction form
    1,078,843.40/1,618,265.10 = 368,894.60/x
  3. Step 3: Cross multiply
    1,078,843.40x = 1,618,265.10 × 368,894.60
  4. Step 4: Simplify right side
    1,078,843.40x = 596,969,256,758.46
  5. Step 5: Solve for x
    x = 596,969,256,758.46/1,078,843.40
  6. Step 6: Final answer
    x = 553,341.90

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Similar ratio
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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.