Home / 1,323,351.60-1,981,090.80-874,579.20

Finding the Fourth Proportional to 1,323,351.60, 1,981,090.80 and 874,579.20

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Solution

The fourth proportional to 1,323,351.60, 1,981,090.80 and 874,579.20 is: 1,309,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,351.60 : 1,981,090.80 = 874,579.20 : x
  2. Step 2: Convert to fraction form
    1,323,351.60/1,981,090.80 = 874,579.20/x
  3. Step 3: Cross multiply
    1,323,351.60x = 1,981,090.80 × 874,579.20
  4. Step 4: Simplify right side
    1,323,351.60x = 1,732,620,806,991.36
  5. Step 5: Solve for x
    x = 1,732,620,806,991.36/1,323,351.60
  6. Step 6: Final answer
    x = 1,309,267.17

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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.