Home / 1,564,712.88-2,347,435.36-485,168.64

Finding the Fourth Proportional to 1,564,712.88, 2,347,435.36 and 485,168.64

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Solution

The fourth proportional to 1,564,712.88, 2,347,435.36 and 485,168.64 is: 727,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,712.88 : 2,347,435.36 = 485,168.64 : x
  2. Step 2: Convert to fraction form
    1,564,712.88/2,347,435.36 = 485,168.64/x
  3. Step 3: Cross multiply
    1,564,712.88x = 2,347,435.36 × 485,168.64
  4. Step 4: Simplify right side
    1,564,712.88x = 1,138,902,021,099.11
  5. Step 5: Solve for x
    x = 1,138,902,021,099.11/1,564,712.88
  6. Step 6: Final answer
    x = 727,866.46

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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.