Home / 1,321,226.86-1,823,421.05-740,548.63

Finding the Fourth Proportional to 1,321,226.86, 1,823,421.05 and 740,548.63

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Solution

The fourth proportional to 1,321,226.86, 1,823,421.05 and 740,548.63 is: 1,022,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,226.86 : 1,823,421.05 = 740,548.63 : x
  2. Step 2: Convert to fraction form
    1,321,226.86/1,823,421.05 = 740,548.63/x
  3. Step 3: Cross multiply
    1,321,226.86x = 1,823,421.05 × 740,548.63
  4. Step 4: Simplify right side
    1,321,226.86x = 1,350,331,960,490.66
  5. Step 5: Solve for x
    x = 1,350,331,960,490.66/1,321,226.86
  6. Step 6: Final answer
    x = 1,022,028.84

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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.