Home / 1,663,676.69-2,295,980.15-938,259.72

Finding the Fourth Proportional to 1,663,676.69, 2,295,980.15 and 938,259.72

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Solution

The fourth proportional to 1,663,676.69, 2,295,980.15 and 938,259.72 is: 1,294,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,676.69 : 2,295,980.15 = 938,259.72 : x
  2. Step 2: Convert to fraction form
    1,663,676.69/2,295,980.15 = 938,259.72/x
  3. Step 3: Cross multiply
    1,663,676.69x = 2,295,980.15 × 938,259.72
  4. Step 4: Simplify right side
    1,663,676.69x = 2,154,225,687,973.26
  5. Step 5: Solve for x
    x = 2,154,225,687,973.26/1,663,676.69
  6. Step 6: Final answer
    x = 1,294,858.37

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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.