Home / 1,488,653.29-2,233,164.48-423,778.38

Finding the Fourth Proportional to 1,488,653.29, 2,233,164.48 and 423,778.38

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Solution

The fourth proportional to 1,488,653.29, 2,233,164.48 and 423,778.38 is: 635,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,653.29 : 2,233,164.48 = 423,778.38 : x
  2. Step 2: Convert to fraction form
    1,488,653.29/2,233,164.48 = 423,778.38/x
  3. Step 3: Cross multiply
    1,488,653.29x = 2,233,164.48 × 423,778.38
  4. Step 4: Simplify right side
    1,488,653.29x = 946,366,830,589.71
  5. Step 5: Solve for x
    x = 946,366,830,589.71/1,488,653.29
  6. Step 6: Final answer
    x = 635,720.11

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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.