Home / 1,021,706.20-1,532,686.54-347,735.72

Finding the Fourth Proportional to 1,021,706.20, 1,532,686.54 and 347,735.72

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Solution

The fourth proportional to 1,021,706.20, 1,532,686.54 and 347,735.72 is: 521,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,706.20 : 1,532,686.54 = 347,735.72 : x
  2. Step 2: Convert to fraction form
    1,021,706.20/1,532,686.54 = 347,735.72/x
  3. Step 3: Cross multiply
    1,021,706.20x = 1,532,686.54 × 347,735.72
  4. Step 4: Simplify right side
    1,021,706.20x = 532,969,857,521.21
  5. Step 5: Solve for x
    x = 532,969,857,521.21/1,021,706.20
  6. Step 6: Final answer
    x = 521,646.89

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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.