Home / 1,006,977.10-1,511,291.85-999,103.90

Finding the Fourth Proportional to 1,006,977.10, 1,511,291.85 and 999,103.90

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Solution

The fourth proportional to 1,006,977.10, 1,511,291.85 and 999,103.90 is: 1,499,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,977.10 : 1,511,291.85 = 999,103.90 : x
  2. Step 2: Convert to fraction form
    1,006,977.10/1,511,291.85 = 999,103.90/x
  3. Step 3: Cross multiply
    1,006,977.10x = 1,511,291.85 × 999,103.90
  4. Step 4: Simplify right side
    1,006,977.10x = 1,509,937,581,373.22
  5. Step 5: Solve for x
    x = 1,509,937,581,373.22/1,006,977.10
  6. Step 6: Final answer
    x = 1,499,475.59

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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.