Home / 1,456,099.90-2,009,427.82-811,561.61

Finding the Fourth Proportional to 1,456,099.90, 2,009,427.82 and 811,561.61

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Solution

The fourth proportional to 1,456,099.90, 2,009,427.82 and 811,561.61 is: 1,119,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,099.90 : 2,009,427.82 = 811,561.61 : x
  2. Step 2: Convert to fraction form
    1,456,099.90/2,009,427.82 = 811,561.61/x
  3. Step 3: Cross multiply
    1,456,099.90x = 2,009,427.82 × 811,561.61
  4. Step 4: Simplify right side
    1,456,099.90x = 1,630,774,471,754.42
  5. Step 5: Solve for x
    x = 1,630,774,471,754.42/1,456,099.90
  6. Step 6: Final answer
    x = 1,119,960.57

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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.