Home / 1,175,600.90-1,763,401.35-724,860.20

Finding the Fourth Proportional to 1,175,600.90, 1,763,401.35 and 724,860.20

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Solution

The fourth proportional to 1,175,600.90, 1,763,401.35 and 724,860.20 is: 1,087,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,600.90 : 1,763,401.35 = 724,860.20 : x
  2. Step 2: Convert to fraction form
    1,175,600.90/1,763,401.35 = 724,860.20/x
  3. Step 3: Cross multiply
    1,175,600.90x = 1,763,401.35 × 724,860.20
  4. Step 4: Simplify right side
    1,175,600.90x = 1,278,219,455,241.27
  5. Step 5: Solve for x
    x = 1,278,219,455,241.27/1,175,600.90
  6. Step 6: Final answer
    x = 1,087,290.30

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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.