Home / 1,254,222.80-1,878,223.80-1,005,390.80

Finding the Fourth Proportional to 1,254,222.80, 1,878,223.80 and 1,005,390.80

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Solution

The fourth proportional to 1,254,222.80, 1,878,223.80 and 1,005,390.80 is: 1,505,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,222.80 : 1,878,223.80 = 1,005,390.80 : x
  2. Step 2: Convert to fraction form
    1,254,222.80/1,878,223.80 = 1,005,390.80/x
  3. Step 3: Cross multiply
    1,254,222.80x = 1,878,223.80 × 1,005,390.80
  4. Step 4: Simplify right side
    1,254,222.80x = 1,888,348,928,861.04
  5. Step 5: Solve for x
    x = 1,888,348,928,861.04/1,254,222.80
  6. Step 6: Final answer
    x = 1,505,592.89

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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.