Home / 1,006,976.60-1,511,291.10-999,103.40

Finding the Fourth Proportional to 1,006,976.60, 1,511,291.10 and 999,103.40

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Solution

The fourth proportional to 1,006,976.60, 1,511,291.10 and 999,103.40 is: 1,499,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,976.60 : 1,511,291.10 = 999,103.40 : x
  2. Step 2: Convert to fraction form
    1,006,976.60/1,511,291.10 = 999,103.40/x
  3. Step 3: Cross multiply
    1,006,976.60x = 1,511,291.10 × 999,103.40
  4. Step 4: Simplify right side
    1,006,976.60x = 1,509,936,076,399.74
  5. Step 5: Solve for x
    x = 1,509,936,076,399.74/1,006,976.60
  6. Step 6: Final answer
    x = 1,499,474.84

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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.