Home / 1,128,622.98-1,692,901.66-329,923.29

Finding the Fourth Proportional to 1,128,622.98, 1,692,901.66 and 329,923.29

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Solution

The fourth proportional to 1,128,622.98, 1,692,901.66 and 329,923.29 is: 494,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,622.98 : 1,692,901.66 = 329,923.29 : x
  2. Step 2: Convert to fraction form
    1,128,622.98/1,692,901.66 = 329,923.29/x
  3. Step 3: Cross multiply
    1,128,622.98x = 1,692,901.66 × 329,923.29
  4. Step 4: Simplify right side
    1,128,622.98x = 558,527,685,313.66
  5. Step 5: Solve for x
    x = 558,527,685,313.66/1,128,622.98
  6. Step 6: Final answer
    x = 494,875.34

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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.