Home / 1,378,849.14-2,068,274.32-432,293.67

Finding the Fourth Proportional to 1,378,849.14, 2,068,274.32 and 432,293.67

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Solution

The fourth proportional to 1,378,849.14, 2,068,274.32 and 432,293.67 is: 648,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,849.14 : 2,068,274.32 = 432,293.67 : x
  2. Step 2: Convert to fraction form
    1,378,849.14/2,068,274.32 = 432,293.67/x
  3. Step 3: Cross multiply
    1,378,849.14x = 2,068,274.32 × 432,293.67
  4. Step 4: Simplify right side
    1,378,849.14x = 894,101,895,278.82
  5. Step 5: Solve for x
    x = 894,101,895,278.82/1,378,849.14
  6. Step 6: Final answer
    x = 648,440.70

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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.