Home / 1,007,490.60-1,512,062.10-999,617.40

Finding the Fourth Proportional to 1,007,490.60, 1,512,062.10 and 999,617.40

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Solution

The fourth proportional to 1,007,490.60, 1,512,062.10 and 999,617.40 is: 1,500,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,490.60 : 1,512,062.10 = 999,617.40 : x
  2. Step 2: Convert to fraction form
    1,007,490.60/1,512,062.10 = 999,617.40/x
  3. Step 3: Cross multiply
    1,007,490.60x = 1,512,062.10 × 999,617.40
  4. Step 4: Simplify right side
    1,007,490.60x = 1,511,483,585,040.54
  5. Step 5: Solve for x
    x = 1,511,483,585,040.54/1,007,490.60
  6. Step 6: Final answer
    x = 1,500,245.84

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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.