Home / 1,008,959.69-1,513,434.06-432,498.08

Finding the Fourth Proportional to 1,008,959.69, 1,513,434.06 and 432,498.08

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Solution

The fourth proportional to 1,008,959.69, 1,513,434.06 and 432,498.08 is: 648,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,959.69 : 1,513,434.06 = 432,498.08 : x
  2. Step 2: Convert to fraction form
    1,008,959.69/1,513,434.06 = 432,498.08/x
  3. Step 3: Cross multiply
    1,008,959.69x = 1,513,434.06 × 432,498.08
  4. Step 4: Simplify right side
    1,008,959.69x = 654,557,317,589.44
  5. Step 5: Solve for x
    x = 654,557,317,589.44/1,008,959.69
  6. Step 6: Final answer
    x = 648,744.77

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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.