Home / 1,115,985-1,540,179.70-632,498.24

Finding the Fourth Proportional to 1,115,985, 1,540,179.70 and 632,498.24

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Solution

The fourth proportional to 1,115,985, 1,540,179.70 and 632,498.24 is: 872,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,985 : 1,540,179.70 = 632,498.24 : x
  2. Step 2: Convert to fraction form
    1,115,985/1,540,179.70 = 632,498.24/x
  3. Step 3: Cross multiply
    1,115,985x = 1,540,179.70 × 632,498.24
  4. Step 4: Simplify right side
    1,115,985x = 974,160,949,533.73
  5. Step 5: Solve for x
    x = 974,160,949,533.73/1,115,985
  6. Step 6: Final answer
    x = 872,915.81

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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.