Home / 1,142,040.10-1,576,015.13-683,174.01

Finding the Fourth Proportional to 1,142,040.10, 1,576,015.13 and 683,174.01

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Solution

The fourth proportional to 1,142,040.10, 1,576,015.13 and 683,174.01 is: 942,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,040.10 : 1,576,015.13 = 683,174.01 : x
  2. Step 2: Convert to fraction form
    1,142,040.10/1,576,015.13 = 683,174.01/x
  3. Step 3: Cross multiply
    1,142,040.10x = 1,576,015.13 × 683,174.01
  4. Step 4: Simplify right side
    1,142,040.10x = 1,076,692,579,957.91
  5. Step 5: Solve for x
    x = 1,076,692,579,957.91/1,142,040.10
  6. Step 6: Final answer
    x = 942,780.01

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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.