Home / 1,640,648.10-2,460,644.10-787,718.10

Finding the Fourth Proportional to 1,640,648.10, 2,460,644.10 and 787,718.10

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Solution

The fourth proportional to 1,640,648.10, 2,460,644.10 and 787,718.10 is: 1,181,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,648.10 : 2,460,644.10 = 787,718.10 : x
  2. Step 2: Convert to fraction form
    1,640,648.10/2,460,644.10 = 787,718.10/x
  3. Step 3: Cross multiply
    1,640,648.10x = 2,460,644.10 × 787,718.10
  4. Step 4: Simplify right side
    1,640,648.10x = 1,938,293,895,228.21
  5. Step 5: Solve for x
    x = 1,938,293,895,228.21/1,640,648.10
  6. Step 6: Final answer
    x = 1,181,419.64

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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.