Home / 1,008,622.40-1,512,933.60-368,924.90

Finding the Fourth Proportional to 1,008,622.40, 1,512,933.60 and 368,924.90

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Solution

The fourth proportional to 1,008,622.40, 1,512,933.60 and 368,924.90 is: 553,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,622.40 : 1,512,933.60 = 368,924.90 : x
  2. Step 2: Convert to fraction form
    1,008,622.40/1,512,933.60 = 368,924.90/x
  3. Step 3: Cross multiply
    1,008,622.40x = 1,512,933.60 × 368,924.90
  4. Step 4: Simplify right side
    1,008,622.40x = 558,158,877,086.64
  5. Step 5: Solve for x
    x = 558,158,877,086.64/1,008,622.40
  6. Step 6: Final answer
    x = 553,387.35

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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.