Home / 1,678,860.90-2,517,367.95-1,146,982.50

Finding the Fourth Proportional to 1,678,860.90, 2,517,367.95 and 1,146,982.50

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Solution

The fourth proportional to 1,678,860.90, 2,517,367.95 and 1,146,982.50 is: 1,719,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,860.90 : 2,517,367.95 = 1,146,982.50 : x
  2. Step 2: Convert to fraction form
    1,678,860.90/2,517,367.95 = 1,146,982.50/x
  3. Step 3: Cross multiply
    1,678,860.90x = 2,517,367.95 × 1,146,982.50
  4. Step 4: Simplify right side
    1,678,860.90x = 2,887,376,984,710.88
  5. Step 5: Solve for x
    x = 2,887,376,984,710.88/1,678,860.90
  6. Step 6: Final answer
    x = 1,719,842.89

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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.