Home / 1,456,184.76-2,009,544.24-811,645.88

Finding the Fourth Proportional to 1,456,184.76, 2,009,544.24 and 811,645.88

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Solution

The fourth proportional to 1,456,184.76, 2,009,544.24 and 811,645.88 is: 1,120,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,184.76 : 2,009,544.24 = 811,645.88 : x
  2. Step 2: Convert to fraction form
    1,456,184.76/2,009,544.24 = 811,645.88/x
  3. Step 3: Cross multiply
    1,456,184.76x = 2,009,544.24 × 811,645.88
  4. Step 4: Simplify right side
    1,456,184.76x = 1,631,038,303,073.73
  5. Step 5: Solve for x
    x = 1,631,038,303,073.73/1,456,184.76
  6. Step 6: Final answer
    x = 1,120,076.48

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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.