Home / 1,640,490.54-2,460,721.05-518,559.90

Finding the Fourth Proportional to 1,640,490.54, 2,460,721.05 and 518,559.90

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Solution

The fourth proportional to 1,640,490.54, 2,460,721.05 and 518,559.90 is: 777,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,490.54 : 2,460,721.05 = 518,559.90 : x
  2. Step 2: Convert to fraction form
    1,640,490.54/2,460,721.05 = 518,559.90/x
  3. Step 3: Cross multiply
    1,640,490.54x = 2,460,721.05 × 518,559.90
  4. Step 4: Simplify right side
    1,640,490.54x = 1,276,031,261,615.90
  5. Step 5: Solve for x
    x = 1,276,031,261,615.90/1,640,490.54
  6. Step 6: Final answer
    x = 777,835.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.