Home / 683,287.68-1,023,687.36-668,357.76

Finding the Fourth Proportional to 683,287.68, 1,023,687.36 and 668,357.76

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Solution

The fourth proportional to 683,287.68, 1,023,687.36 and 668,357.76 is: 1,001,319.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,287.68 : 1,023,687.36 = 668,357.76 : x
  2. Step 2: Convert to fraction form
    683,287.68/1,023,687.36 = 668,357.76/x
  3. Step 3: Cross multiply
    683,287.68x = 1,023,687.36 × 668,357.76
  4. Step 4: Simplify right side
    683,287.68x = 684,189,390,869.91
  5. Step 5: Solve for x
    x = 684,189,390,869.91/683,287.68
  6. Step 6: Final answer
    x = 1,001,319.67

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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.