Home / 1,173,731.92-1,760,539.86-687,689.39

Finding the Fourth Proportional to 1,173,731.92, 1,760,539.86 and 687,689.39

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Solution

The fourth proportional to 1,173,731.92, 1,760,539.86 and 687,689.39 is: 1,031,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,731.92 : 1,760,539.86 = 687,689.39 : x
  2. Step 2: Convert to fraction form
    1,173,731.92/1,760,539.86 = 687,689.39/x
  3. Step 3: Cross multiply
    1,173,731.92x = 1,760,539.86 × 687,689.39
  4. Step 4: Simplify right side
    1,173,731.92x = 1,210,704,586,795.44
  5. Step 5: Solve for x
    x = 1,210,704,586,795.44/1,173,731.92
  6. Step 6: Final answer
    x = 1,031,500.10

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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.