Home / 1,989,900.90-2,984,839.20-569,959.56

Finding the Fourth Proportional to 1,989,900.90, 2,984,839.20 and 569,959.56

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Solution

The fourth proportional to 1,989,900.90, 2,984,839.20 and 569,959.56 is: 854,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,900.90 : 2,984,839.20 = 569,959.56 : x
  2. Step 2: Convert to fraction form
    1,989,900.90/2,984,839.20 = 569,959.56/x
  3. Step 3: Cross multiply
    1,989,900.90x = 2,984,839.20 × 569,959.56
  4. Step 4: Simplify right side
    1,989,900.90x = 1,701,237,637,102.75
  5. Step 5: Solve for x
    x = 1,701,237,637,102.75/1,989,900.90
  6. Step 6: Final answer
    x = 854,935.86

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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.