Home / 1,542,065.52-2,312,189.28-720,495.36

Finding the Fourth Proportional to 1,542,065.52, 2,312,189.28 and 720,495.36

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Solution

The fourth proportional to 1,542,065.52, 2,312,189.28 and 720,495.36 is: 1,080,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,065.52 : 2,312,189.28 = 720,495.36 : x
  2. Step 2: Convert to fraction form
    1,542,065.52/2,312,189.28 = 720,495.36/x
  3. Step 3: Cross multiply
    1,542,065.52x = 2,312,189.28 × 720,495.36
  4. Step 4: Simplify right side
    1,542,065.52x = 1,665,921,647,681.74
  5. Step 5: Solve for x
    x = 1,665,921,647,681.74/1,542,065.52
  6. Step 6: Final answer
    x = 1,080,318.33

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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.