Home / 1,022,887.48-1,534,275.56-312,915.50

Finding the Fourth Proportional to 1,022,887.48, 1,534,275.56 and 312,915.50

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Solution

The fourth proportional to 1,022,887.48, 1,534,275.56 and 312,915.50 is: 469,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,887.48 : 1,534,275.56 = 312,915.50 : x
  2. Step 2: Convert to fraction form
    1,022,887.48/1,534,275.56 = 312,915.50/x
  3. Step 3: Cross multiply
    1,022,887.48x = 1,534,275.56 × 312,915.50
  4. Step 4: Simplify right side
    1,022,887.48x = 480,098,603,995.18
  5. Step 5: Solve for x
    x = 480,098,603,995.18/1,022,887.48
  6. Step 6: Final answer
    x = 469,356.22

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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.