Home / 1,380,003.80-2,070,005.70-433,470.20

Finding the Fourth Proportional to 1,380,003.80, 2,070,005.70 and 433,470.20

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Solution

The fourth proportional to 1,380,003.80, 2,070,005.70 and 433,470.20 is: 650,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,003.80 : 2,070,005.70 = 433,470.20 : x
  2. Step 2: Convert to fraction form
    1,380,003.80/2,070,005.70 = 433,470.20/x
  3. Step 3: Cross multiply
    1,380,003.80x = 2,070,005.70 × 433,470.20
  4. Step 4: Simplify right side
    1,380,003.80x = 897,285,784,780.14
  5. Step 5: Solve for x
    x = 897,285,784,780.14/1,380,003.80
  6. Step 6: Final answer
    x = 650,205.30

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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.