Home / 1,148,698.65-1,585,148.78-632,441.81

Finding the Fourth Proportional to 1,148,698.65, 1,585,148.78 and 632,441.81

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Solution

The fourth proportional to 1,148,698.65, 1,585,148.78 and 632,441.81 is: 872,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,698.65 : 1,585,148.78 = 632,441.81 : x
  2. Step 2: Convert to fraction form
    1,148,698.65/1,585,148.78 = 632,441.81/x
  3. Step 3: Cross multiply
    1,148,698.65x = 1,585,148.78 × 632,441.81
  4. Step 4: Simplify right side
    1,148,698.65x = 1,002,514,352,454.54
  5. Step 5: Solve for x
    x = 1,002,514,352,454.54/1,148,698.65
  6. Step 6: Final answer
    x = 872,739.21

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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.