Home / 1,663,684.80-2,295,642.24-938,564.16

Finding the Fourth Proportional to 1,663,684.80, 2,295,642.24 and 938,564.16

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Solution

The fourth proportional to 1,663,684.80, 2,295,642.24 and 938,564.16 is: 1,295,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,684.80 : 2,295,642.24 = 938,564.16 : x
  2. Step 2: Convert to fraction form
    1,663,684.80/2,295,642.24 = 938,564.16/x
  3. Step 3: Cross multiply
    1,663,684.80x = 2,295,642.24 × 938,564.16
  4. Step 4: Simplify right side
    1,663,684.80x = 2,154,607,530,646.12
  5. Step 5: Solve for x
    x = 2,154,607,530,646.12/1,663,684.80
  6. Step 6: Final answer
    x = 1,295,081.57

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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.