Home / 893,425.80-1,340,138.70-849,880.20

Finding the Fourth Proportional to 893,425.80, 1,340,138.70 and 849,880.20

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Solution

The fourth proportional to 893,425.80, 1,340,138.70 and 849,880.20 is: 1,274,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,425.80 : 1,340,138.70 = 849,880.20 : x
  2. Step 2: Convert to fraction form
    893,425.80/1,340,138.70 = 849,880.20/x
  3. Step 3: Cross multiply
    893,425.80x = 1,340,138.70 × 849,880.20
  4. Step 4: Simplify right side
    893,425.80x = 1,138,957,346,383.74
  5. Step 5: Solve for x
    x = 1,138,957,346,383.74/893,425.80
  6. Step 6: Final answer
    x = 1,274,820.30

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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.