Home / 1,868,423.07-2,802,634.64-448,479.15

Finding the Fourth Proportional to 1,868,423.07, 2,802,634.64 and 448,479.15

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Solution

The fourth proportional to 1,868,423.07, 2,802,634.64 and 448,479.15 is: 672,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,423.07 : 2,802,634.64 = 448,479.15 : x
  2. Step 2: Convert to fraction form
    1,868,423.07/2,802,634.64 = 448,479.15/x
  3. Step 3: Cross multiply
    1,868,423.07x = 2,802,634.64 × 448,479.15
  4. Step 4: Simplify right side
    1,868,423.07x = 1,256,923,191,298.62
  5. Step 5: Solve for x
    x = 1,256,923,191,298.62/1,868,423.07
  6. Step 6: Final answer
    x = 672,718.73

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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.