Home / 1,128,063.30-1,692,255.78-369,964.08

Finding the Fourth Proportional to 1,128,063.30, 1,692,255.78 and 369,964.08

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Solution

The fourth proportional to 1,128,063.30, 1,692,255.78 and 369,964.08 is: 554,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,063.30 : 1,692,255.78 = 369,964.08 : x
  2. Step 2: Convert to fraction form
    1,128,063.30/1,692,255.78 = 369,964.08/x
  3. Step 3: Cross multiply
    1,128,063.30x = 1,692,255.78 × 369,964.08
  4. Step 4: Simplify right side
    1,128,063.30x = 626,073,852,772.38
  5. Step 5: Solve for x
    x = 626,073,852,772.38/1,128,063.30
  6. Step 6: Final answer
    x = 554,998.87

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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.