Home / 1,787,712.30-2,681,568.45-1,077,374.70

Finding the Fourth Proportional to 1,787,712.30, 2,681,568.45 and 1,077,374.70

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Solution

The fourth proportional to 1,787,712.30, 2,681,568.45 and 1,077,374.70 is: 1,616,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,712.30 : 2,681,568.45 = 1,077,374.70 : x
  2. Step 2: Convert to fraction form
    1,787,712.30/2,681,568.45 = 1,077,374.70/x
  3. Step 3: Cross multiply
    1,787,712.30x = 2,681,568.45 × 1,077,374.70
  4. Step 4: Simplify right side
    1,787,712.30x = 2,889,054,004,348.22
  5. Step 5: Solve for x
    x = 2,889,054,004,348.22/1,787,712.30
  6. Step 6: Final answer
    x = 1,616,062.05

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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.