Home / 1,665,984.70-2,498,977.05-955,428.40

Finding the Fourth Proportional to 1,665,984.70, 2,498,977.05 and 955,428.40

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Solution

The fourth proportional to 1,665,984.70, 2,498,977.05 and 955,428.40 is: 1,433,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,984.70 : 2,498,977.05 = 955,428.40 : x
  2. Step 2: Convert to fraction form
    1,665,984.70/2,498,977.05 = 955,428.40/x
  3. Step 3: Cross multiply
    1,665,984.70x = 2,498,977.05 × 955,428.40
  4. Step 4: Simplify right side
    1,665,984.70x = 2,387,593,644,518.22
  5. Step 5: Solve for x
    x = 2,387,593,644,518.22/1,665,984.70
  6. Step 6: Final answer
    x = 1,433,142.60

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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.