Home / 1,129,865.56-1,694,797.80-288,417.04

Finding the Fourth Proportional to 1,129,865.56, 1,694,797.80 and 288,417.04

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Solution

The fourth proportional to 1,129,865.56, 1,694,797.80 and 288,417.04 is: 432,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,865.56 : 1,694,797.80 = 288,417.04 : x
  2. Step 2: Convert to fraction form
    1,129,865.56/1,694,797.80 = 288,417.04/x
  3. Step 3: Cross multiply
    1,129,865.56x = 1,694,797.80 × 288,417.04
  4. Step 4: Simplify right side
    1,129,865.56x = 488,808,564,874.51
  5. Step 5: Solve for x
    x = 488,808,564,874.51/1,129,865.56
  6. Step 6: Final answer
    x = 432,625.42

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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.