Home / 1,018,051.20-1,527,076.80-994,723.20

Finding the Fourth Proportional to 1,018,051.20, 1,527,076.80 and 994,723.20

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Solution

The fourth proportional to 1,018,051.20, 1,527,076.80 and 994,723.20 is: 1,492,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,051.20 : 1,527,076.80 = 994,723.20 : x
  2. Step 2: Convert to fraction form
    1,018,051.20/1,527,076.80 = 994,723.20/x
  3. Step 3: Cross multiply
    1,018,051.20x = 1,527,076.80 × 994,723.20
  4. Step 4: Simplify right side
    1,018,051.20x = 1,519,018,721,141.76
  5. Step 5: Solve for x
    x = 1,519,018,721,141.76/1,018,051.20
  6. Step 6: Final answer
    x = 1,492,084.80

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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.