Home / 1,798,212.72-2,698,646.40-851,581.92

Finding the Fourth Proportional to 1,798,212.72, 2,698,646.40 and 851,581.92

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Solution

The fourth proportional to 1,798,212.72, 2,698,646.40 and 851,581.92 is: 1,278,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,212.72 : 2,698,646.40 = 851,581.92 : x
  2. Step 2: Convert to fraction form
    1,798,212.72/2,698,646.40 = 851,581.92/x
  3. Step 3: Cross multiply
    1,798,212.72x = 2,698,646.40 × 851,581.92
  4. Step 4: Simplify right side
    1,798,212.72x = 2,298,118,482,713.09
  5. Step 5: Solve for x
    x = 2,298,118,482,713.09/1,798,212.72
  6. Step 6: Final answer
    x = 1,278,001.46

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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.