Home / 1,380,402.46-2,070,812.67-433,684.18

Finding the Fourth Proportional to 1,380,402.46, 2,070,812.67 and 433,684.18

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Solution

The fourth proportional to 1,380,402.46, 2,070,812.67 and 433,684.18 is: 650,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,402.46 : 2,070,812.67 = 433,684.18 : x
  2. Step 2: Convert to fraction form
    1,380,402.46/2,070,812.67 = 433,684.18/x
  3. Step 3: Cross multiply
    1,380,402.46x = 2,070,812.67 × 433,684.18
  4. Step 4: Simplify right side
    1,380,402.46x = 898,078,694,722.56
  5. Step 5: Solve for x
    x = 898,078,694,722.56/1,380,402.46
  6. Step 6: Final answer
    x = 650,591.93

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1.5x scale

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.