Home / 1,142,315.52-1,576,355.76-633,065.28

Finding the Fourth Proportional to 1,142,315.52, 1,576,355.76 and 633,065.28

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Solution

The fourth proportional to 1,142,315.52, 1,576,355.76 and 633,065.28 is: 873,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,315.52 : 1,576,355.76 = 633,065.28 : x
  2. Step 2: Convert to fraction form
    1,142,315.52/1,576,355.76 = 633,065.28/x
  3. Step 3: Cross multiply
    1,142,315.52x = 1,576,355.76 × 633,065.28
  4. Step 4: Simplify right side
    1,142,315.52x = 997,936,100,584.01
  5. Step 5: Solve for x
    x = 997,936,100,584.01/1,142,315.52
  6. Step 6: Final answer
    x = 873,608.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.