Home / 1,149,646.80-1,586,436.68-690,488.54

Finding the Fourth Proportional to 1,149,646.80, 1,586,436.68 and 690,488.54

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Solution

The fourth proportional to 1,149,646.80, 1,586,436.68 and 690,488.54 is: 952,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,646.80 : 1,586,436.68 = 690,488.54 : x
  2. Step 2: Convert to fraction form
    1,149,646.80/1,586,436.68 = 690,488.54/x
  3. Step 3: Cross multiply
    1,149,646.80x = 1,586,436.68 × 690,488.54
  4. Step 4: Simplify right side
    1,149,646.80x = 1,095,416,346,975.65
  5. Step 5: Solve for x
    x = 1,095,416,346,975.65/1,149,646.80
  6. Step 6: Final answer
    x = 952,828.60

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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.