Home / 1,478,743.36-2,218,115.28-356,812.36

Finding the Fourth Proportional to 1,478,743.36, 2,218,115.28 and 356,812.36

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Solution

The fourth proportional to 1,478,743.36, 2,218,115.28 and 356,812.36 is: 535,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,743.36 : 2,218,115.28 = 356,812.36 : x
  2. Step 2: Convert to fraction form
    1,478,743.36/2,218,115.28 = 356,812.36/x
  3. Step 3: Cross multiply
    1,478,743.36x = 2,218,115.28 × 356,812.36
  4. Step 4: Simplify right side
    1,478,743.36x = 791,450,947,808.86
  5. Step 5: Solve for x
    x = 791,450,947,808.86/1,478,743.36
  6. Step 6: Final answer
    x = 535,218.60

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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.