Home / 1,078,661.34-1,617,044.22-439,502.54

Finding the Fourth Proportional to 1,078,661.34, 1,617,044.22 and 439,502.54

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Solution

The fourth proportional to 1,078,661.34, 1,617,044.22 and 439,502.54 is: 658,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,661.34 : 1,617,044.22 = 439,502.54 : x
  2. Step 2: Convert to fraction form
    1,078,661.34/1,617,044.22 = 439,502.54/x
  3. Step 3: Cross multiply
    1,078,661.34x = 1,617,044.22 × 439,502.54
  4. Step 4: Simplify right side
    1,078,661.34x = 710,695,033,897.10
  5. Step 5: Solve for x
    x = 710,695,033,897.10/1,078,661.34
  6. Step 6: Final answer
    x = 658,867.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.