Home / 1,540,801.80-2,311,858.80-972,619.20

Finding the Fourth Proportional to 1,540,801.80, 2,311,858.80 and 972,619.20

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Solution

The fourth proportional to 1,540,801.80, 2,311,858.80 and 972,619.20 is: 1,459,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,801.80 : 2,311,858.80 = 972,619.20 : x
  2. Step 2: Convert to fraction form
    1,540,801.80/2,311,858.80 = 972,619.20/x
  3. Step 3: Cross multiply
    1,540,801.80x = 2,311,858.80 × 972,619.20
  4. Step 4: Simplify right side
    1,540,801.80x = 2,248,558,256,568.96
  5. Step 5: Solve for x
    x = 2,248,558,256,568.96/1,540,801.80
  6. Step 6: Final answer
    x = 1,459,342.96

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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.