Home / 1,491,966-2,058,913.08-812,902.50

Finding the Fourth Proportional to 1,491,966, 2,058,913.08 and 812,902.50

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Solution

The fourth proportional to 1,491,966, 2,058,913.08 and 812,902.50 is: 1,121,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,966 : 2,058,913.08 = 812,902.50 : x
  2. Step 2: Convert to fraction form
    1,491,966/2,058,913.08 = 812,902.50/x
  3. Step 3: Cross multiply
    1,491,966x = 2,058,913.08 × 812,902.50
  4. Step 4: Simplify right side
    1,491,966x = 1,673,695,590,014.70
  5. Step 5: Solve for x
    x = 1,673,695,590,014.70/1,491,966
  6. Step 6: Final answer
    x = 1,121,805.45

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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.