Home / 1,479,939.21-2,042,316.05-800,875.71

Finding the Fourth Proportional to 1,479,939.21, 2,042,316.05 and 800,875.71

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Solution

The fourth proportional to 1,479,939.21, 2,042,316.05 and 800,875.71 is: 1,105,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,939.21 : 2,042,316.05 = 800,875.71 : x
  2. Step 2: Convert to fraction form
    1,479,939.21/2,042,316.05 = 800,875.71/x
  3. Step 3: Cross multiply
    1,479,939.21x = 2,042,316.05 × 800,875.71
  4. Step 4: Simplify right side
    1,479,939.21x = 1,635,641,312,583.77
  5. Step 5: Solve for x
    x = 1,635,641,312,583.77/1,479,939.21
  6. Step 6: Final answer
    x = 1,105,208.44

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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.