Home / 1,385,910-1,912,555.80-750,006

Finding the Fourth Proportional to 1,385,910, 1,912,555.80 and 750,006

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Solution

The fourth proportional to 1,385,910, 1,912,555.80 and 750,006 is: 1,035,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,910 : 1,912,555.80 = 750,006 : x
  2. Step 2: Convert to fraction form
    1,385,910/1,912,555.80 = 750,006/x
  3. Step 3: Cross multiply
    1,385,910x = 1,912,555.80 × 750,006
  4. Step 4: Simplify right side
    1,385,910x = 1,434,428,325,334.80
  5. Step 5: Solve for x
    x = 1,434,428,325,334.80/1,385,910
  6. Step 6: Final answer
    x = 1,035,008.28

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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.