Home / 1,561,380.52-2,340,263.58-718,162.60

Finding the Fourth Proportional to 1,561,380.52, 2,340,263.58 and 718,162.60

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Solution

The fourth proportional to 1,561,380.52, 2,340,263.58 and 718,162.60 is: 1,076,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,380.52 : 2,340,263.58 = 718,162.60 : x
  2. Step 2: Convert to fraction form
    1,561,380.52/2,340,263.58 = 718,162.60/x
  3. Step 3: Cross multiply
    1,561,380.52x = 2,340,263.58 × 718,162.60
  4. Step 4: Simplify right side
    1,561,380.52x = 1,680,689,777,298.11
  5. Step 5: Solve for x
    x = 1,680,689,777,298.11/1,561,380.52
  6. Step 6: Final answer
    x = 1,076,412.67

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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.