Home / 1,267,395.30-1,749,075.55-723,705.73

Finding the Fourth Proportional to 1,267,395.30, 1,749,075.55 and 723,705.73

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Solution

The fourth proportional to 1,267,395.30, 1,749,075.55 and 723,705.73 is: 998,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,395.30 : 1,749,075.55 = 723,705.73 : x
  2. Step 2: Convert to fraction form
    1,267,395.30/1,749,075.55 = 723,705.73/x
  3. Step 3: Cross multiply
    1,267,395.30x = 1,749,075.55 × 723,705.73
  4. Step 4: Simplify right side
    1,267,395.30x = 1,265,815,991,555.95
  5. Step 5: Solve for x
    x = 1,265,815,991,555.95/1,267,395.30
  6. Step 6: Final answer
    x = 998,753.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.