Home / 1,021,277.42-1,532,119.10-347,177.72

Finding the Fourth Proportional to 1,021,277.42, 1,532,119.10 and 347,177.72

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Solution

The fourth proportional to 1,021,277.42, 1,532,119.10 and 347,177.72 is: 520,835.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,277.42 : 1,532,119.10 = 347,177.72 : x
  2. Step 2: Convert to fraction form
    1,021,277.42/1,532,119.10 = 347,177.72/x
  3. Step 3: Cross multiply
    1,021,277.42x = 1,532,119.10 × 347,177.72
  4. Step 4: Simplify right side
    1,021,277.42x = 531,917,620,604.69
  5. Step 5: Solve for x
    x = 531,917,620,604.69/1,021,277.42
  6. Step 6: Final answer
    x = 520,835.58

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Double scale
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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.