Home / 1,112,464.60-1,669,134.30-438,431.20

Finding the Fourth Proportional to 1,112,464.60, 1,669,134.30 and 438,431.20

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Solution

The fourth proportional to 1,112,464.60, 1,669,134.30 and 438,431.20 is: 657,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,464.60 : 1,669,134.30 = 438,431.20 : x
  2. Step 2: Convert to fraction form
    1,112,464.60/1,669,134.30 = 438,431.20/x
  3. Step 3: Cross multiply
    1,112,464.60x = 1,669,134.30 × 438,431.20
  4. Step 4: Simplify right side
    1,112,464.60x = 731,800,554,110.16
  5. Step 5: Solve for x
    x = 731,800,554,110.16/1,112,464.60
  6. Step 6: Final answer
    x = 657,819.18

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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.