Home / 1,142,180.76-1,576,218.78-632,891.64

Finding the Fourth Proportional to 1,142,180.76, 1,576,218.78 and 632,891.64

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Solution

The fourth proportional to 1,142,180.76, 1,576,218.78 and 632,891.64 is: 873,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,180.76 : 1,576,218.78 = 632,891.64 : x
  2. Step 2: Convert to fraction form
    1,142,180.76/1,576,218.78 = 632,891.64/x
  3. Step 3: Cross multiply
    1,142,180.76x = 1,576,218.78 × 632,891.64
  4. Step 4: Simplify right side
    1,142,180.76x = 997,575,688,673.00
  5. Step 5: Solve for x
    x = 997,575,688,673.00/1,142,180.76
  6. Step 6: Final answer
    x = 873,395.63

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Double scale
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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.