Home / 1,071,572.80-1,609,202.40-758,228.80

Finding the Fourth Proportional to 1,071,572.80, 1,609,202.40 and 758,228.80

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Solution

The fourth proportional to 1,071,572.80, 1,609,202.40 and 758,228.80 is: 1,138,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,572.80 : 1,609,202.40 = 758,228.80 : x
  2. Step 2: Convert to fraction form
    1,071,572.80/1,609,202.40 = 758,228.80/x
  3. Step 3: Cross multiply
    1,071,572.80x = 1,609,202.40 × 758,228.80
  4. Step 4: Simplify right side
    1,071,572.80x = 1,220,143,604,709.12
  5. Step 5: Solve for x
    x = 1,220,143,604,709.12/1,071,572.80
  6. Step 6: Final answer
    x = 1,138,647.42

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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.