Home / 1,166,689.55-1,610,387.43-676,782.87

Finding the Fourth Proportional to 1,166,689.55, 1,610,387.43 and 676,782.87

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Solution

The fourth proportional to 1,166,689.55, 1,610,387.43 and 676,782.87 is: 934,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,689.55 : 1,610,387.43 = 676,782.87 : x
  2. Step 2: Convert to fraction form
    1,166,689.55/1,610,387.43 = 676,782.87/x
  3. Step 3: Cross multiply
    1,166,689.55x = 1,610,387.43 × 676,782.87
  4. Step 4: Simplify right side
    1,166,689.55x = 1,089,882,622,639.65
  5. Step 5: Solve for x
    x = 1,089,882,622,639.65/1,166,689.55
  6. Step 6: Final answer
    x = 934,166.78

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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.