Home / 1,138,564.50-1,571,216.29-648,533.94

Finding the Fourth Proportional to 1,138,564.50, 1,571,216.29 and 648,533.94

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Solution

The fourth proportional to 1,138,564.50, 1,571,216.29 and 648,533.94 is: 894,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,564.50 : 1,571,216.29 = 648,533.94 : x
  2. Step 2: Convert to fraction form
    1,138,564.50/1,571,216.29 = 648,533.94/x
  3. Step 3: Cross multiply
    1,138,564.50x = 1,571,216.29 × 648,533.94
  4. Step 4: Simplify right side
    1,138,564.50x = 1,018,987,091,145.88
  5. Step 5: Solve for x
    x = 1,018,987,091,145.88/1,138,564.50
  6. Step 6: Final answer
    x = 894,975.29

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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.