Home / 1,076,918.80-1,486,153.79-617,996.83

Finding the Fourth Proportional to 1,076,918.80, 1,486,153.79 and 617,996.83

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Solution

The fourth proportional to 1,076,918.80, 1,486,153.79 and 617,996.83 is: 852,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,918.80 : 1,486,153.79 = 617,996.83 : x
  2. Step 2: Convert to fraction form
    1,076,918.80/1,486,153.79 = 617,996.83/x
  3. Step 3: Cross multiply
    1,076,918.80x = 1,486,153.79 × 617,996.83
  4. Step 4: Simplify right side
    1,076,918.80x = 918,438,331,112.49
  5. Step 5: Solve for x
    x = 918,438,331,112.49/1,076,918.80
  6. Step 6: Final answer
    x = 852,838.98

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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.