Home / 1,079,189.40-1,619,237.70-579,970.20

Finding the Fourth Proportional to 1,079,189.40, 1,619,237.70 and 579,970.20

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Solution

The fourth proportional to 1,079,189.40, 1,619,237.70 and 579,970.20 is: 870,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,189.40 : 1,619,237.70 = 579,970.20 : x
  2. Step 2: Convert to fraction form
    1,079,189.40/1,619,237.70 = 579,970.20/x
  3. Step 3: Cross multiply
    1,079,189.40x = 1,619,237.70 × 579,970.20
  4. Step 4: Simplify right side
    1,079,189.40x = 939,109,612,716.54
  5. Step 5: Solve for x
    x = 939,109,612,716.54/1,079,189.40
  6. Step 6: Final answer
    x = 870,199.07

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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.