Home / 1,320,964.76-1,823,489.34-891,826.10

Finding the Fourth Proportional to 1,320,964.76, 1,823,489.34 and 891,826.10

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Solution

The fourth proportional to 1,320,964.76, 1,823,489.34 and 891,826.10 is: 1,231,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,964.76 : 1,823,489.34 = 891,826.10 : x
  2. Step 2: Convert to fraction form
    1,320,964.76/1,823,489.34 = 891,826.10/x
  3. Step 3: Cross multiply
    1,320,964.76x = 1,823,489.34 × 891,826.10
  4. Step 4: Simplify right side
    1,320,964.76x = 1,626,235,386,483.77
  5. Step 5: Solve for x
    x = 1,626,235,386,483.77/1,320,964.76
  6. Step 6: Final answer
    x = 1,231,096.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.