Home / 1,129,826.88-1,694,798.64-288,385.92

Finding the Fourth Proportional to 1,129,826.88, 1,694,798.64 and 288,385.92

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Solution

The fourth proportional to 1,129,826.88, 1,694,798.64 and 288,385.92 is: 432,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,826.88 : 1,694,798.64 = 288,385.92 : x
  2. Step 2: Convert to fraction form
    1,129,826.88/1,694,798.64 = 288,385.92/x
  3. Step 3: Cross multiply
    1,129,826.88x = 1,694,798.64 × 288,385.92
  4. Step 4: Simplify right side
    1,129,826.88x = 488,756,065,011.15
  5. Step 5: Solve for x
    x = 488,756,065,011.15/1,129,826.88
  6. Step 6: Final answer
    x = 432,593.77

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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.