Home / 1,113,434.60-1,670,793.42-665,245.40

Finding the Fourth Proportional to 1,113,434.60, 1,670,793.42 and 665,245.40

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Solution

The fourth proportional to 1,113,434.60, 1,670,793.42 and 665,245.40 is: 998,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,434.60 : 1,670,793.42 = 665,245.40 : x
  2. Step 2: Convert to fraction form
    1,113,434.60/1,670,793.42 = 665,245.40/x
  3. Step 3: Cross multiply
    1,113,434.60x = 1,670,793.42 × 665,245.40
  4. Step 4: Simplify right side
    1,113,434.60x = 1,111,487,637,005.27
  5. Step 5: Solve for x
    x = 1,111,487,637,005.27/1,113,434.60
  6. Step 6: Final answer
    x = 998,251.39

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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.