Home / 1,188,483.84-1,782,754.92-389,733.12

Finding the Fourth Proportional to 1,188,483.84, 1,782,754.92 and 389,733.12

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Solution

The fourth proportional to 1,188,483.84, 1,782,754.92 and 389,733.12 is: 584,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,483.84 : 1,782,754.92 = 389,733.12 : x
  2. Step 2: Convert to fraction form
    1,188,483.84/1,782,754.92 = 389,733.12/x
  3. Step 3: Cross multiply
    1,188,483.84x = 1,782,754.92 × 389,733.12
  4. Step 4: Simplify right side
    1,188,483.84x = 694,798,637,166.95
  5. Step 5: Solve for x
    x = 694,798,637,166.95/1,188,483.84
  6. Step 6: Final answer
    x = 584,609.24

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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.