Home / 1,393,799.40-2,090,699.10-1,113,863.40

Finding the Fourth Proportional to 1,393,799.40, 2,090,699.10 and 1,113,863.40

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Solution

The fourth proportional to 1,393,799.40, 2,090,699.10 and 1,113,863.40 is: 1,670,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,799.40 : 2,090,699.10 = 1,113,863.40 : x
  2. Step 2: Convert to fraction form
    1,393,799.40/2,090,699.10 = 1,113,863.40/x
  3. Step 3: Cross multiply
    1,393,799.40x = 2,090,699.10 × 1,113,863.40
  4. Step 4: Simplify right side
    1,393,799.40x = 2,328,753,207,902.94
  5. Step 5: Solve for x
    x = 2,328,753,207,902.94/1,393,799.40
  6. Step 6: Final answer
    x = 1,670,795.10

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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.