Home / 1,673,897.20-2,309,950.88-909,970

Finding the Fourth Proportional to 1,673,897.20, 2,309,950.88 and 909,970

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Solution

The fourth proportional to 1,673,897.20, 2,309,950.88 and 909,970 is: 1,255,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,897.20 : 2,309,950.88 = 909,970 : x
  2. Step 2: Convert to fraction form
    1,673,897.20/2,309,950.88 = 909,970/x
  3. Step 3: Cross multiply
    1,673,897.20x = 2,309,950.88 × 909,970
  4. Step 4: Simplify right side
    1,673,897.20x = 2,101,986,002,273.60
  5. Step 5: Solve for x
    x = 2,101,986,002,273.60/1,673,897.20
  6. Step 6: Final answer
    x = 1,255,743.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.