Home / 1,429,023.62-1,969,334.19-1,402,761.67

Finding the Fourth Proportional to 1,429,023.62, 1,969,334.19 and 1,402,761.67

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Solution

The fourth proportional to 1,429,023.62, 1,969,334.19 and 1,402,761.67 is: 1,933,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,023.62 : 1,969,334.19 = 1,402,761.67 : x
  2. Step 2: Convert to fraction form
    1,429,023.62/1,969,334.19 = 1,402,761.67/x
  3. Step 3: Cross multiply
    1,429,023.62x = 1,969,334.19 × 1,402,761.67
  4. Step 4: Simplify right side
    1,429,023.62x = 2,762,506,512,229.16
  5. Step 5: Solve for x
    x = 2,762,506,512,229.16/1,429,023.62
  6. Step 6: Final answer
    x = 1,933,142.65

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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.