Home / 1,165,216.68-1,607,078.34-762,730.92

Finding the Fourth Proportional to 1,165,216.68, 1,607,078.34 and 762,730.92

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Solution

The fourth proportional to 1,165,216.68, 1,607,078.34 and 762,730.92 is: 1,051,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,216.68 : 1,607,078.34 = 762,730.92 : x
  2. Step 2: Convert to fraction form
    1,165,216.68/1,607,078.34 = 762,730.92/x
  3. Step 3: Cross multiply
    1,165,216.68x = 1,607,078.34 × 762,730.92
  4. Step 4: Simplify right side
    1,165,216.68x = 1,225,768,340,780.27
  5. Step 5: Solve for x
    x = 1,225,768,340,780.27/1,165,216.68
  6. Step 6: Final answer
    x = 1,051,966.01

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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.