Home / 1,320,737.96-1,980,297.30-562,147.45

Finding the Fourth Proportional to 1,320,737.96, 1,980,297.30 and 562,147.45

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Solution

The fourth proportional to 1,320,737.96, 1,980,297.30 and 562,147.45 is: 842,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,737.96 : 1,980,297.30 = 562,147.45 : x
  2. Step 2: Convert to fraction form
    1,320,737.96/1,980,297.30 = 562,147.45/x
  3. Step 3: Cross multiply
    1,320,737.96x = 1,980,297.30 × 562,147.45
  4. Step 4: Simplify right side
    1,320,737.96x = 1,113,219,077,436.89
  5. Step 5: Solve for x
    x = 1,113,219,077,436.89/1,320,737.96
  6. Step 6: Final answer
    x = 842,876.57

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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.