Home / 1,367,287.52-1,886,894.81-755,479.68

Finding the Fourth Proportional to 1,367,287.52, 1,886,894.81 and 755,479.68

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Solution

The fourth proportional to 1,367,287.52, 1,886,894.81 and 755,479.68 is: 1,042,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,287.52 : 1,886,894.81 = 755,479.68 : x
  2. Step 2: Convert to fraction form
    1,367,287.52/1,886,894.81 = 755,479.68/x
  3. Step 3: Cross multiply
    1,367,287.52x = 1,886,894.81 × 755,479.68
  4. Step 4: Simplify right side
    1,367,287.52x = 1,425,510,683,475.06
  5. Step 5: Solve for x
    x = 1,425,510,683,475.06/1,367,287.52
  6. Step 6: Final answer
    x = 1,042,582.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.