Home / 1,385,251.80-2,077,877.70-486,832.20

Finding the Fourth Proportional to 1,385,251.80, 2,077,877.70 and 486,832.20

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Solution

The fourth proportional to 1,385,251.80, 2,077,877.70 and 486,832.20 is: 730,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,251.80 : 2,077,877.70 = 486,832.20 : x
  2. Step 2: Convert to fraction form
    1,385,251.80/2,077,877.70 = 486,832.20/x
  3. Step 3: Cross multiply
    1,385,251.80x = 2,077,877.70 × 486,832.20
  4. Step 4: Simplify right side
    1,385,251.80x = 1,011,577,772,021.94
  5. Step 5: Solve for x
    x = 1,011,577,772,021.94/1,385,251.80
  6. Step 6: Final answer
    x = 730,248.30

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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.