Home / 1,631,333.76-2,447,156.16-634,139.52

Finding the Fourth Proportional to 1,631,333.76, 2,447,156.16 and 634,139.52

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Solution

The fourth proportional to 1,631,333.76, 2,447,156.16 and 634,139.52 is: 951,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,333.76 : 2,447,156.16 = 634,139.52 : x
  2. Step 2: Convert to fraction form
    1,631,333.76/2,447,156.16 = 634,139.52/x
  3. Step 3: Cross multiply
    1,631,333.76x = 2,447,156.16 × 634,139.52
  4. Step 4: Simplify right side
    1,631,333.76x = 1,551,838,432,667.44
  5. Step 5: Solve for x
    x = 1,551,838,432,667.44/1,631,333.76
  6. Step 6: Final answer
    x = 951,269.73

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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.