Home / 1,663,373.31-2,295,481.59-938,235.45

Finding the Fourth Proportional to 1,663,373.31, 2,295,481.59 and 938,235.45

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Solution

The fourth proportional to 1,663,373.31, 2,295,481.59 and 938,235.45 is: 1,294,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,373.31 : 2,295,481.59 = 938,235.45 : x
  2. Step 2: Convert to fraction form
    1,663,373.31/2,295,481.59 = 938,235.45/x
  3. Step 3: Cross multiply
    1,663,373.31x = 2,295,481.59 × 938,235.45
  4. Step 4: Simplify right side
    1,663,373.31x = 2,153,702,202,560.37
  5. Step 5: Solve for x
    x = 2,153,702,202,560.37/1,663,373.31
  6. Step 6: Final answer
    x = 1,294,779.82

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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.