Home / 1,278,755.77-1,918,116.94-367,962.01

Finding the Fourth Proportional to 1,278,755.77, 1,918,116.94 and 367,962.01

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Solution

The fourth proportional to 1,278,755.77, 1,918,116.94 and 367,962.01 is: 551,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,755.77 : 1,918,116.94 = 367,962.01 : x
  2. Step 2: Convert to fraction form
    1,278,755.77/1,918,116.94 = 367,962.01/x
  3. Step 3: Cross multiply
    1,278,755.77x = 1,918,116.94 × 367,962.01
  4. Step 4: Simplify right side
    1,278,755.77x = 705,794,164,657.45
  5. Step 5: Solve for x
    x = 705,794,164,657.45/1,278,755.77
  6. Step 6: Final answer
    x = 551,938.21

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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.