Home / 1,474,272.40-2,211,408.60-477,101.20

Finding the Fourth Proportional to 1,474,272.40, 2,211,408.60 and 477,101.20

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Solution

The fourth proportional to 1,474,272.40, 2,211,408.60 and 477,101.20 is: 715,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,272.40 : 2,211,408.60 = 477,101.20 : x
  2. Step 2: Convert to fraction form
    1,474,272.40/2,211,408.60 = 477,101.20/x
  3. Step 3: Cross multiply
    1,474,272.40x = 2,211,408.60 × 477,101.20
  4. Step 4: Simplify right side
    1,474,272.40x = 1,055,065,696,750.32
  5. Step 5: Solve for x
    x = 1,055,065,696,750.32/1,474,272.40
  6. Step 6: Final answer
    x = 715,651.80

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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.