Home / 1,435,546.20-2,153,197.80-438,274.20

Finding the Fourth Proportional to 1,435,546.20, 2,153,197.80 and 438,274.20

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Solution

The fourth proportional to 1,435,546.20, 2,153,197.80 and 438,274.20 is: 657,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,546.20 : 2,153,197.80 = 438,274.20 : x
  2. Step 2: Convert to fraction form
    1,435,546.20/2,153,197.80 = 438,274.20/x
  3. Step 3: Cross multiply
    1,435,546.20x = 2,153,197.80 × 438,274.20
  4. Step 4: Simplify right side
    1,435,546.20x = 943,691,043,236.76
  5. Step 5: Solve for x
    x = 943,691,043,236.76/1,435,546.20
  6. Step 6: Final answer
    x = 657,374.21

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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.