Home / 744,193.80-1,116,290.70-681,208.20

Finding the Fourth Proportional to 744,193.80, 1,116,290.70 and 681,208.20

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Solution

The fourth proportional to 744,193.80, 1,116,290.70 and 681,208.20 is: 1,021,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,193.80 : 1,116,290.70 = 681,208.20 : x
  2. Step 2: Convert to fraction form
    744,193.80/1,116,290.70 = 681,208.20/x
  3. Step 3: Cross multiply
    744,193.80x = 1,116,290.70 × 681,208.20
  4. Step 4: Simplify right side
    744,193.80x = 760,426,378,423.74
  5. Step 5: Solve for x
    x = 760,426,378,423.74/744,193.80
  6. Step 6: Final answer
    x = 1,021,812.30

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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.