Home / 1,439,131.23-2,158,302.78-540,503.46

Finding the Fourth Proportional to 1,439,131.23, 2,158,302.78 and 540,503.46

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Solution

The fourth proportional to 1,439,131.23, 2,158,302.78 and 540,503.46 is: 810,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,131.23 : 2,158,302.78 = 540,503.46 : x
  2. Step 2: Convert to fraction form
    1,439,131.23/2,158,302.78 = 540,503.46/x
  3. Step 3: Cross multiply
    1,439,131.23x = 2,158,302.78 × 540,503.46
  4. Step 4: Simplify right side
    1,439,131.23x = 1,166,570,120,317.62
  5. Step 5: Solve for x
    x = 1,166,570,120,317.62/1,439,131.23
  6. Step 6: Final answer
    x = 810,607.19

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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.