Home / 1,477,359.60-2,215,391.40-678,375.60

Finding the Fourth Proportional to 1,477,359.60, 2,215,391.40 and 678,375.60

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Solution

The fourth proportional to 1,477,359.60, 2,215,391.40 and 678,375.60 is: 1,017,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,359.60 : 2,215,391.40 = 678,375.60 : x
  2. Step 2: Convert to fraction form
    1,477,359.60/2,215,391.40 = 678,375.60/x
  3. Step 3: Cross multiply
    1,477,359.60x = 2,215,391.40 × 678,375.60
  4. Step 4: Simplify right side
    1,477,359.60x = 1,502,867,470,209.84
  5. Step 5: Solve for x
    x = 1,502,867,470,209.84/1,477,359.60
  6. Step 6: Final answer
    x = 1,017,265.85

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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.