Home / 1,443,451.54-1,991,741.23-831,484.77

Finding the Fourth Proportional to 1,443,451.54, 1,991,741.23 and 831,484.77

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Solution

The fourth proportional to 1,443,451.54, 1,991,741.23 and 831,484.77 is: 1,147,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,451.54 : 1,991,741.23 = 831,484.77 : x
  2. Step 2: Convert to fraction form
    1,443,451.54/1,991,741.23 = 831,484.77/x
  3. Step 3: Cross multiply
    1,443,451.54x = 1,991,741.23 × 831,484.77
  4. Step 4: Simplify right side
    1,443,451.54x = 1,656,102,498,526.07
  5. Step 5: Solve for x
    x = 1,656,102,498,526.07/1,443,451.54
  6. Step 6: Final answer
    x = 1,147,321.16

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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.