Home / 1,008,490.90-1,512,736.35-368,793.40

Finding the Fourth Proportional to 1,008,490.90, 1,512,736.35 and 368,793.40

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Solution

The fourth proportional to 1,008,490.90, 1,512,736.35 and 368,793.40 is: 553,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,490.90 : 1,512,736.35 = 368,793.40 : x
  2. Step 2: Convert to fraction form
    1,008,490.90/1,512,736.35 = 368,793.40/x
  3. Step 3: Cross multiply
    1,008,490.90x = 1,512,736.35 × 368,793.40
  4. Step 4: Simplify right side
    1,008,490.90x = 557,887,181,820.09
  5. Step 5: Solve for x
    x = 557,887,181,820.09/1,008,490.90
  6. Step 6: Final answer
    x = 553,190.10

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1.5x scale

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.