Home / 1,349,221.03-2,023,230.17-389,448.45

Finding the Fourth Proportional to 1,349,221.03, 2,023,230.17 and 389,448.45

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Solution

The fourth proportional to 1,349,221.03, 2,023,230.17 and 389,448.45 is: 583,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,221.03 : 2,023,230.17 = 389,448.45 : x
  2. Step 2: Convert to fraction form
    1,349,221.03/2,023,230.17 = 389,448.45/x
  3. Step 3: Cross multiply
    1,349,221.03x = 2,023,230.17 × 389,448.45
  4. Step 4: Simplify right side
    1,349,221.03x = 787,943,860,363.69
  5. Step 5: Solve for x
    x = 787,943,860,363.69/1,349,221.03
  6. Step 6: Final answer
    x = 583,999.10

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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.