Home / 1,406,763.76-2,110,139.28-341,808.68

Finding the Fourth Proportional to 1,406,763.76, 2,110,139.28 and 341,808.68

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Solution

The fourth proportional to 1,406,763.76, 2,110,139.28 and 341,808.68 is: 512,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,763.76 : 2,110,139.28 = 341,808.68 : x
  2. Step 2: Convert to fraction form
    1,406,763.76/2,110,139.28 = 341,808.68/x
  3. Step 3: Cross multiply
    1,406,763.76x = 2,110,139.28 × 341,808.68
  4. Step 4: Simplify right side
    1,406,763.76x = 721,263,921,912.95
  5. Step 5: Solve for x
    x = 721,263,921,912.95/1,406,763.76
  6. Step 6: Final answer
    x = 512,711.47

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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.