Home / 1,021,702.20-1,532,680.53-347,731.71

Finding the Fourth Proportional to 1,021,702.20, 1,532,680.53 and 347,731.71

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Solution

The fourth proportional to 1,021,702.20, 1,532,680.53 and 347,731.71 is: 521,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,702.20 : 1,532,680.53 = 347,731.71 : x
  2. Step 2: Convert to fraction form
    1,021,702.20/1,532,680.53 = 347,731.71/x
  3. Step 3: Cross multiply
    1,021,702.20x = 1,532,680.53 × 347,731.71
  4. Step 4: Simplify right side
    1,021,702.20x = 532,961,621,580.61
  5. Step 5: Solve for x
    x = 532,961,621,580.61/1,021,702.20
  6. Step 6: Final answer
    x = 521,640.87

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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.