Home / 1,676,734.40-2,514,907.20-478,841.60

Finding the Fourth Proportional to 1,676,734.40, 2,514,907.20 and 478,841.60

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Solution

The fourth proportional to 1,676,734.40, 2,514,907.20 and 478,841.60 is: 718,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,734.40 : 2,514,907.20 = 478,841.60 : x
  2. Step 2: Convert to fraction form
    1,676,734.40/2,514,907.20 = 478,841.60/x
  3. Step 3: Cross multiply
    1,676,734.40x = 2,514,907.20 × 478,841.60
  4. Step 4: Simplify right side
    1,676,734.40x = 1,204,242,187,499.52
  5. Step 5: Solve for x
    x = 1,204,242,187,499.52/1,676,734.40
  6. Step 6: Final answer
    x = 718,206.88

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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.