Home / 1,587,860.39-2,381,837.27-389,782.67

Finding the Fourth Proportional to 1,587,860.39, 2,381,837.27 and 389,782.67

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Solution

The fourth proportional to 1,587,860.39, 2,381,837.27 and 389,782.67 is: 584,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,860.39 : 2,381,837.27 = 389,782.67 : x
  2. Step 2: Convert to fraction form
    1,587,860.39/2,381,837.27 = 389,782.67/x
  3. Step 3: Cross multiply
    1,587,860.39x = 2,381,837.27 × 389,782.67
  4. Step 4: Simplify right side
    1,587,860.39x = 928,398,876,748.01
  5. Step 5: Solve for x
    x = 928,398,876,748.01/1,587,860.39
  6. Step 6: Final answer
    x = 584,685.46

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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.