Home / 1,078,633.14-1,618,567.91-438,818.80

Finding the Fourth Proportional to 1,078,633.14, 1,618,567.91 and 438,818.80

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Solution

The fourth proportional to 1,078,633.14, 1,618,567.91 and 438,818.80 is: 658,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,633.14 : 1,618,567.91 = 438,818.80 : x
  2. Step 2: Convert to fraction form
    1,078,633.14/1,618,567.91 = 438,818.80/x
  3. Step 3: Cross multiply
    1,078,633.14x = 1,618,567.91 × 438,818.80
  4. Step 4: Simplify right side
    1,078,633.14x = 710,258,025,035.34
  5. Step 5: Solve for x
    x = 710,258,025,035.34/1,078,633.14
  6. Step 6: Final answer
    x = 658,479.70

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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.