Home / 1,228,977.30-1,840,355.55-980,145.30

Finding the Fourth Proportional to 1,228,977.30, 1,840,355.55 and 980,145.30

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Solution

The fourth proportional to 1,228,977.30, 1,840,355.55 and 980,145.30 is: 1,467,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,977.30 : 1,840,355.55 = 980,145.30 : x
  2. Step 2: Convert to fraction form
    1,228,977.30/1,840,355.55 = 980,145.30/x
  3. Step 3: Cross multiply
    1,228,977.30x = 1,840,355.55 × 980,145.30
  4. Step 4: Simplify right side
    1,228,977.30x = 1,803,815,842,661.42
  5. Step 5: Solve for x
    x = 1,803,815,842,661.42/1,228,977.30
  6. Step 6: Final answer
    x = 1,467,737.32

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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.