Home / 1,159,891.65-1,600,608.42-643,668.07

Finding the Fourth Proportional to 1,159,891.65, 1,600,608.42 and 643,668.07

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Solution

The fourth proportional to 1,159,891.65, 1,600,608.42 and 643,668.07 is: 888,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,891.65 : 1,600,608.42 = 643,668.07 : x
  2. Step 2: Convert to fraction form
    1,159,891.65/1,600,608.42 = 643,668.07/x
  3. Step 3: Cross multiply
    1,159,891.65x = 1,600,608.42 × 643,668.07
  4. Step 4: Simplify right side
    1,159,891.65x = 1,030,260,533,337.09
  5. Step 5: Solve for x
    x = 1,030,260,533,337.09/1,159,891.65
  6. Step 6: Final answer
    x = 888,238.60

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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.