Home / 851,201.10-1,276,801.65-698,985.90

Finding the Fourth Proportional to 851,201.10, 1,276,801.65 and 698,985.90

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Solution

The fourth proportional to 851,201.10, 1,276,801.65 and 698,985.90 is: 1,048,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,201.10 : 1,276,801.65 = 698,985.90 : x
  2. Step 2: Convert to fraction form
    851,201.10/1,276,801.65 = 698,985.90/x
  3. Step 3: Cross multiply
    851,201.10x = 1,276,801.65 × 698,985.90
  4. Step 4: Simplify right side
    851,201.10x = 892,466,350,446.74
  5. Step 5: Solve for x
    x = 892,466,350,446.74/851,201.10
  6. Step 6: Final answer
    x = 1,048,478.85

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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.