Home / 1,221,004.10-1,831,506.15-557,452.10

Finding the Fourth Proportional to 1,221,004.10, 1,831,506.15 and 557,452.10

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Solution

The fourth proportional to 1,221,004.10, 1,831,506.15 and 557,452.10 is: 836,178.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,004.10 : 1,831,506.15 = 557,452.10 : x
  2. Step 2: Convert to fraction form
    1,221,004.10/1,831,506.15 = 557,452.10/x
  3. Step 3: Cross multiply
    1,221,004.10x = 1,831,506.15 × 557,452.10
  4. Step 4: Simplify right side
    1,221,004.10x = 1,020,976,949,480.41
  5. Step 5: Solve for x
    x = 1,020,976,949,480.41/1,221,004.10
  6. Step 6: Final answer
    x = 836,178.15

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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.