Home / 1,663,280.83-2,295,324.40-938,126.31

Finding the Fourth Proportional to 1,663,280.83, 2,295,324.40 and 938,126.31

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Solution

The fourth proportional to 1,663,280.83, 2,295,324.40 and 938,126.31 is: 1,294,612.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,280.83 : 2,295,324.40 = 938,126.31 : x
  2. Step 2: Convert to fraction form
    1,663,280.83/2,295,324.40 = 938,126.31/x
  3. Step 3: Cross multiply
    1,663,280.83x = 2,295,324.40 × 938,126.31
  4. Step 4: Simplify right side
    1,663,280.83x = 2,153,304,209,624.96
  5. Step 5: Solve for x
    x = 2,153,304,209,624.96/1,663,280.83
  6. Step 6: Final answer
    x = 1,294,612.53

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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.