Home / 1,345,401.14-1,864,668.05-1,320,206.90

Finding the Fourth Proportional to 1,345,401.14, 1,864,668.05 and 1,320,206.90

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Solution

The fourth proportional to 1,345,401.14, 1,864,668.05 and 1,320,206.90 is: 1,829,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,401.14 : 1,864,668.05 = 1,320,206.90 : x
  2. Step 2: Convert to fraction form
    1,345,401.14/1,864,668.05 = 1,320,206.90/x
  3. Step 3: Cross multiply
    1,345,401.14x = 1,864,668.05 × 1,320,206.90
  4. Step 4: Simplify right side
    1,345,401.14x = 2,461,747,614,845.95
  5. Step 5: Solve for x
    x = 2,461,747,614,845.95/1,345,401.14
  6. Step 6: Final answer
    x = 1,829,749.92

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.