Home / 987,777.27-1,479,362.22-837,486.63

Finding the Fourth Proportional to 987,777.27, 1,479,362.22 and 837,486.63

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Solution

The fourth proportional to 987,777.27, 1,479,362.22 and 837,486.63 is: 1,254,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,777.27 : 1,479,362.22 = 837,486.63 : x
  2. Step 2: Convert to fraction form
    987,777.27/1,479,362.22 = 837,486.63/x
  3. Step 3: Cross multiply
    987,777.27x = 1,479,362.22 × 837,486.63
  4. Step 4: Simplify right side
    987,777.27x = 1,238,946,080,177.12
  5. Step 5: Solve for x
    x = 1,238,946,080,177.12/987,777.27
  6. Step 6: Final answer
    x = 1,254,276.77

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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.