Home / 1,106,705.40-1,658,745.90-993,856.20

Finding the Fourth Proportional to 1,106,705.40, 1,658,745.90 and 993,856.20

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Solution

The fourth proportional to 1,106,705.40, 1,658,745.90 and 993,856.20 is: 1,489,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,705.40 : 1,658,745.90 = 993,856.20 : x
  2. Step 2: Convert to fraction form
    1,106,705.40/1,658,745.90 = 993,856.20/x
  3. Step 3: Cross multiply
    1,106,705.40x = 1,658,745.90 × 993,856.20
  4. Step 4: Simplify right side
    1,106,705.40x = 1,648,554,896,939.58
  5. Step 5: Solve for x
    x = 1,648,554,896,939.58/1,106,705.40
  6. Step 6: Final answer
    x = 1,489,605.90

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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.