Home / 1,142,208.54-1,576,858.95-729,160.74

Finding the Fourth Proportional to 1,142,208.54, 1,576,858.95 and 729,160.74

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Solution

The fourth proportional to 1,142,208.54, 1,576,858.95 and 729,160.74 is: 1,006,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,208.54 : 1,576,858.95 = 729,160.74 : x
  2. Step 2: Convert to fraction form
    1,142,208.54/1,576,858.95 = 729,160.74/x
  3. Step 3: Cross multiply
    1,142,208.54x = 1,576,858.95 × 729,160.74
  4. Step 4: Simplify right side
    1,142,208.54x = 1,149,783,638,857.62
  5. Step 5: Solve for x
    x = 1,149,783,638,857.62/1,142,208.54
  6. Step 6: Final answer
    x = 1,006,631.98

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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.