Home / 1,587,473.34-2,381,175.54-389,401.53

Finding the Fourth Proportional to 1,587,473.34, 2,381,175.54 and 389,401.53

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Solution

The fourth proportional to 1,587,473.34, 2,381,175.54 and 389,401.53 is: 584,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,473.34 : 2,381,175.54 = 389,401.53 : x
  2. Step 2: Convert to fraction form
    1,587,473.34/2,381,175.54 = 389,401.53/x
  3. Step 3: Cross multiply
    1,587,473.34x = 2,381,175.54 × 389,401.53
  4. Step 4: Simplify right side
    1,587,473.34x = 927,233,398,474.58
  5. Step 5: Solve for x
    x = 927,233,398,474.58/1,587,473.34
  6. Step 6: Final answer
    x = 584,093.84

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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.