Home / 917,007.48-1,372,984.02-691,685.73

Finding the Fourth Proportional to 917,007.48, 1,372,984.02 and 691,685.73

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Solution

The fourth proportional to 917,007.48, 1,372,984.02 and 691,685.73 is: 1,035,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,007.48 : 1,372,984.02 = 691,685.73 : x
  2. Step 2: Convert to fraction form
    917,007.48/1,372,984.02 = 691,685.73/x
  3. Step 3: Cross multiply
    917,007.48x = 1,372,984.02 × 691,685.73
  4. Step 4: Simplify right side
    917,007.48x = 949,673,454,152.04
  5. Step 5: Solve for x
    x = 949,673,454,152.04/917,007.48
  6. Step 6: Final answer
    x = 1,035,622.36

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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.