Home / 1,520,297.76-2,097,677.52-908,358.60

Finding the Fourth Proportional to 1,520,297.76, 2,097,677.52 and 908,358.60

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Solution

The fourth proportional to 1,520,297.76, 2,097,677.52 and 908,358.60 is: 1,253,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,297.76 : 2,097,677.52 = 908,358.60 : x
  2. Step 2: Convert to fraction form
    1,520,297.76/2,097,677.52 = 908,358.60/x
  3. Step 3: Cross multiply
    1,520,297.76x = 2,097,677.52 × 908,358.60
  4. Step 4: Simplify right side
    1,520,297.76x = 1,905,443,415,318.67
  5. Step 5: Solve for x
    x = 1,905,443,415,318.67/1,520,297.76
  6. Step 6: Final answer
    x = 1,253,335.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.