Home / 1,518,279.80-2,277,419.70-959,790.20

Finding the Fourth Proportional to 1,518,279.80, 2,277,419.70 and 959,790.20

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Solution

The fourth proportional to 1,518,279.80, 2,277,419.70 and 959,790.20 is: 1,439,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,279.80 : 2,277,419.70 = 959,790.20 : x
  2. Step 2: Convert to fraction form
    1,518,279.80/2,277,419.70 = 959,790.20/x
  3. Step 3: Cross multiply
    1,518,279.80x = 2,277,419.70 × 959,790.20
  4. Step 4: Simplify right side
    1,518,279.80x = 2,185,845,109,346.94
  5. Step 5: Solve for x
    x = 2,185,845,109,346.94/1,518,279.80
  6. Step 6: Final answer
    x = 1,439,685.30

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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.