Home / 1,328,513.96-1,833,389.78-755,636.68

Finding the Fourth Proportional to 1,328,513.96, 1,833,389.78 and 755,636.68

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Solution

The fourth proportional to 1,328,513.96, 1,833,389.78 and 755,636.68 is: 1,042,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,513.96 : 1,833,389.78 = 755,636.68 : x
  2. Step 2: Convert to fraction form
    1,328,513.96/1,833,389.78 = 755,636.68/x
  3. Step 3: Cross multiply
    1,328,513.96x = 1,833,389.78 × 755,636.68
  4. Step 4: Simplify right side
    1,328,513.96x = 1,385,376,566,505.13
  5. Step 5: Solve for x
    x = 1,385,376,566,505.13/1,328,513.96
  6. Step 6: Final answer
    x = 1,042,801.66

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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.