Home / 1,992,270.15-2,989,841.40-793,498.95

Finding the Fourth Proportional to 1,992,270.15, 2,989,841.40 and 793,498.95

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Solution

The fourth proportional to 1,992,270.15, 2,989,841.40 and 793,498.95 is: 1,190,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,270.15 : 2,989,841.40 = 793,498.95 : x
  2. Step 2: Convert to fraction form
    1,992,270.15/2,989,841.40 = 793,498.95/x
  3. Step 3: Cross multiply
    1,992,270.15x = 2,989,841.40 × 793,498.95
  4. Step 4: Simplify right side
    1,992,270.15x = 2,372,436,011,566.53
  5. Step 5: Solve for x
    x = 2,372,436,011,566.53/1,992,270.15
  6. Step 6: Final answer
    x = 1,190,820.44

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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.