Home / 1,676,729.40-2,514,899.70-478,836.60

Finding the Fourth Proportional to 1,676,729.40, 2,514,899.70 and 478,836.60

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Solution

The fourth proportional to 1,676,729.40, 2,514,899.70 and 478,836.60 is: 718,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,729.40 : 2,514,899.70 = 478,836.60 : x
  2. Step 2: Convert to fraction form
    1,676,729.40/2,514,899.70 = 478,836.60/x
  3. Step 3: Cross multiply
    1,676,729.40x = 2,514,899.70 × 478,836.60
  4. Step 4: Simplify right side
    1,676,729.40x = 1,204,226,021,689.02
  5. Step 5: Solve for x
    x = 1,204,226,021,689.02/1,676,729.40
  6. Step 6: Final answer
    x = 718,199.38

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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.