Home / 1,642,034.40-2,458,904.40-1,078,015.20

Finding the Fourth Proportional to 1,642,034.40, 2,458,904.40 and 1,078,015.20

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Solution

The fourth proportional to 1,642,034.40, 2,458,904.40 and 1,078,015.20 is: 1,614,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,034.40 : 2,458,904.40 = 1,078,015.20 : x
  2. Step 2: Convert to fraction form
    1,642,034.40/2,458,904.40 = 1,078,015.20/x
  3. Step 3: Cross multiply
    1,642,034.40x = 2,458,904.40 × 1,078,015.20
  4. Step 4: Simplify right side
    1,642,034.40x = 2,650,736,318,546.88
  5. Step 5: Solve for x
    x = 2,650,736,318,546.88/1,642,034.40
  6. Step 6: Final answer
    x = 1,614,300.11

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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.