Home / 1,403,041.82-2,104,637.86-443,424.43

Finding the Fourth Proportional to 1,403,041.82, 2,104,637.86 and 443,424.43

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Solution

The fourth proportional to 1,403,041.82, 2,104,637.86 and 443,424.43 is: 665,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,041.82 : 2,104,637.86 = 443,424.43 : x
  2. Step 2: Convert to fraction form
    1,403,041.82/2,104,637.86 = 443,424.43/x
  3. Step 3: Cross multiply
    1,403,041.82x = 2,104,637.86 × 443,424.43
  4. Step 4: Simplify right side
    1,403,041.82x = 933,247,831,795.17
  5. Step 5: Solve for x
    x = 933,247,831,795.17/1,403,041.82
  6. Step 6: Final answer
    x = 665,160.38

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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.