Home / 1,456,229.18-2,009,605.59-811,690.24

Finding the Fourth Proportional to 1,456,229.18, 2,009,605.59 and 811,690.24

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Solution

The fourth proportional to 1,456,229.18, 2,009,605.59 and 811,690.24 is: 1,120,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,229.18 : 2,009,605.59 = 811,690.24 : x
  2. Step 2: Convert to fraction form
    1,456,229.18/2,009,605.59 = 811,690.24/x
  3. Step 3: Cross multiply
    1,456,229.18x = 2,009,605.59 × 811,690.24
  4. Step 4: Simplify right side
    1,456,229.18x = 1,631,177,243,652.44
  5. Step 5: Solve for x
    x = 1,631,177,243,652.44/1,456,229.18
  6. Step 6: Final answer
    x = 1,120,137.73

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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.