Home / 1,620,843.48-2,431,368.90-623,571.48

Finding the Fourth Proportional to 1,620,843.48, 2,431,368.90 and 623,571.48

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Solution

The fourth proportional to 1,620,843.48, 2,431,368.90 and 623,571.48 is: 935,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,843.48 : 2,431,368.90 = 623,571.48 : x
  2. Step 2: Convert to fraction form
    1,620,843.48/2,431,368.90 = 623,571.48/x
  3. Step 3: Cross multiply
    1,620,843.48x = 2,431,368.90 × 623,571.48
  4. Step 4: Simplify right side
    1,620,843.48x = 1,516,132,303,398.97
  5. Step 5: Solve for x
    x = 1,516,132,303,398.97/1,620,843.48
  6. Step 6: Final answer
    x = 935,397.11

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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.