Home / 1,132,658.91-1,562,717.43-642,547.80

Finding the Fourth Proportional to 1,132,658.91, 1,562,717.43 and 642,547.80

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Solution

The fourth proportional to 1,132,658.91, 1,562,717.43 and 642,547.80 is: 886,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,658.91 : 1,562,717.43 = 642,547.80 : x
  2. Step 2: Convert to fraction form
    1,132,658.91/1,562,717.43 = 642,547.80/x
  3. Step 3: Cross multiply
    1,132,658.91x = 1,562,717.43 × 642,547.80
  4. Step 4: Simplify right side
    1,132,658.91x = 1,004,120,646,668.15
  5. Step 5: Solve for x
    x = 1,004,120,646,668.15/1,132,658.91
  6. Step 6: Final answer
    x = 886,516.35

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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.