Home / 1,432,493.35-1,977,121.64-821,055.92

Finding the Fourth Proportional to 1,432,493.35, 1,977,121.64 and 821,055.92

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Solution

The fourth proportional to 1,432,493.35, 1,977,121.64 and 821,055.92 is: 1,133,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,493.35 : 1,977,121.64 = 821,055.92 : x
  2. Step 2: Convert to fraction form
    1,432,493.35/1,977,121.64 = 821,055.92/x
  3. Step 3: Cross multiply
    1,432,493.35x = 1,977,121.64 × 821,055.92
  4. Step 4: Simplify right side
    1,432,493.35x = 1,623,327,427,919.63
  5. Step 5: Solve for x
    x = 1,623,327,427,919.63/1,432,493.35
  6. Step 6: Final answer
    x = 1,133,218.13

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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.