Home / 1,587,460.47-2,381,156.27-389,388.66

Finding the Fourth Proportional to 1,587,460.47, 2,381,156.27 and 389,388.66

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Solution

The fourth proportional to 1,587,460.47, 2,381,156.27 and 389,388.66 is: 584,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,460.47 : 2,381,156.27 = 389,388.66 : x
  2. Step 2: Convert to fraction form
    1,587,460.47/2,381,156.27 = 389,388.66/x
  3. Step 3: Cross multiply
    1,587,460.47x = 2,381,156.27 × 389,388.66
  4. Step 4: Simplify right side
    1,587,460.47x = 927,195,249,225.90
  5. Step 5: Solve for x
    x = 927,195,249,225.90/1,587,460.47
  6. Step 6: Final answer
    x = 584,074.54

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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.