Home / 1,121,164.48-1,680,746.46-411,026.68

Finding the Fourth Proportional to 1,121,164.48, 1,680,746.46 and 411,026.68

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Solution

The fourth proportional to 1,121,164.48, 1,680,746.46 and 411,026.68 is: 616,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,164.48 : 1,680,746.46 = 411,026.68 : x
  2. Step 2: Convert to fraction form
    1,121,164.48/1,680,746.46 = 411,026.68/x
  3. Step 3: Cross multiply
    1,121,164.48x = 1,680,746.46 × 411,026.68
  4. Step 4: Simplify right side
    1,121,164.48x = 690,831,637,375.55
  5. Step 5: Solve for x
    x = 690,831,637,375.55/1,121,164.48
  6. Step 6: Final answer
    x = 616,173.32

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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.