Home / 1,258,905.10-1,887,013.02-717,996.82

Finding the Fourth Proportional to 1,258,905.10, 1,887,013.02 and 717,996.82

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Solution

The fourth proportional to 1,258,905.10, 1,887,013.02 and 717,996.82 is: 1,076,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,905.10 : 1,887,013.02 = 717,996.82 : x
  2. Step 2: Convert to fraction form
    1,258,905.10/1,887,013.02 = 717,996.82/x
  3. Step 3: Cross multiply
    1,258,905.10x = 1,887,013.02 × 717,996.82
  4. Step 4: Simplify right side
    1,258,905.10x = 1,354,869,347,658.60
  5. Step 5: Solve for x
    x = 1,354,869,347,658.60/1,258,905.10
  6. Step 6: Final answer
    x = 1,076,228.34

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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.