Home / 1,996,876.40-2,995,703.40-859,636.40

Finding the Fourth Proportional to 1,996,876.40, 2,995,703.40 and 859,636.40

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Solution

The fourth proportional to 1,996,876.40, 2,995,703.40 and 859,636.40 is: 1,289,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,876.40 : 2,995,703.40 = 859,636.40 : x
  2. Step 2: Convert to fraction form
    1,996,876.40/2,995,703.40 = 859,636.40/x
  3. Step 3: Cross multiply
    1,996,876.40x = 2,995,703.40 × 859,636.40
  4. Step 4: Simplify right side
    1,996,876.40x = 2,575,215,686,243.76
  5. Step 5: Solve for x
    x = 2,575,215,686,243.76/1,996,876.40
  6. Step 6: Final answer
    x = 1,289,621.97

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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.