Home / 678,637.80-1,017,883.80-180,001.80

Finding the Fourth Proportional to 678,637.80, 1,017,883.80 and 180,001.80

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Solution

The fourth proportional to 678,637.80, 1,017,883.80 and 180,001.80 is: 269,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,637.80 : 1,017,883.80 = 180,001.80 : x
  2. Step 2: Convert to fraction form
    678,637.80/1,017,883.80 = 180,001.80/x
  3. Step 3: Cross multiply
    678,637.80x = 1,017,883.80 × 180,001.80
  4. Step 4: Simplify right side
    678,637.80x = 183,220,916,190.84
  5. Step 5: Solve for x
    x = 183,220,916,190.84/678,637.80
  6. Step 6: Final answer
    x = 269,983.36

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1.5x scale

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.