Home / 1,787,873.40-2,681,749.98-776,995.32

Finding the Fourth Proportional to 1,787,873.40, 2,681,749.98 and 776,995.32

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Solution

The fourth proportional to 1,787,873.40, 2,681,749.98 and 776,995.32 is: 1,165,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,873.40 : 2,681,749.98 = 776,995.32 : x
  2. Step 2: Convert to fraction form
    1,787,873.40/2,681,749.98 = 776,995.32/x
  3. Step 3: Cross multiply
    1,787,873.40x = 2,681,749.98 × 776,995.32
  4. Step 4: Simplify right side
    1,787,873.40x = 2,083,707,183,870.09
  5. Step 5: Solve for x
    x = 2,083,707,183,870.09/1,787,873.40
  6. Step 6: Final answer
    x = 1,165,466.85

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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.