Home / 1,129,733.82-1,694,599.65-288,285.48

Finding the Fourth Proportional to 1,129,733.82, 1,694,599.65 and 288,285.48

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Solution

The fourth proportional to 1,129,733.82, 1,694,599.65 and 288,285.48 is: 432,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,733.82 : 1,694,599.65 = 288,285.48 : x
  2. Step 2: Convert to fraction form
    1,129,733.82/1,694,599.65 = 288,285.48/x
  3. Step 3: Cross multiply
    1,129,733.82x = 1,694,599.65 × 288,285.48
  4. Step 4: Simplify right side
    1,129,733.82x = 488,528,473,508.08
  5. Step 5: Solve for x
    x = 488,528,473,508.08/1,129,733.82
  6. Step 6: Final answer
    x = 432,427.94

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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.