Home / 1,441,985.40-2,160,645.30-908,551.80

Finding the Fourth Proportional to 1,441,985.40, 2,160,645.30 and 908,551.80

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Solution

The fourth proportional to 1,441,985.40, 2,160,645.30 and 908,551.80 is: 1,361,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,985.40 : 2,160,645.30 = 908,551.80 : x
  2. Step 2: Convert to fraction form
    1,441,985.40/2,160,645.30 = 908,551.80/x
  3. Step 3: Cross multiply
    1,441,985.40x = 2,160,645.30 × 908,551.80
  4. Step 4: Simplify right side
    1,441,985.40x = 1,963,058,176,476.54
  5. Step 5: Solve for x
    x = 1,963,058,176,476.54/1,441,985.40
  6. Step 6: Final answer
    x = 1,361,357.87

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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.