Home / 1,719,120.18-2,578,677.45-456,947.82

Finding the Fourth Proportional to 1,719,120.18, 2,578,677.45 and 456,947.82

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Solution

The fourth proportional to 1,719,120.18, 2,578,677.45 and 456,947.82 is: 685,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,120.18 : 2,578,677.45 = 456,947.82 : x
  2. Step 2: Convert to fraction form
    1,719,120.18/2,578,677.45 = 456,947.82/x
  3. Step 3: Cross multiply
    1,719,120.18x = 2,578,677.45 × 456,947.82
  4. Step 4: Simplify right side
    1,719,120.18x = 1,178,321,039,260.66
  5. Step 5: Solve for x
    x = 1,178,321,039,260.66/1,719,120.18
  6. Step 6: Final answer
    x = 685,420.98

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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.