Home / 1,545,020.80-2,317,761.60-547,670.40

Finding the Fourth Proportional to 1,545,020.80, 2,317,761.60 and 547,670.40

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Solution

The fourth proportional to 1,545,020.80, 2,317,761.60 and 547,670.40 is: 821,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,020.80 : 2,317,761.60 = 547,670.40 : x
  2. Step 2: Convert to fraction form
    1,545,020.80/2,317,761.60 = 547,670.40/x
  3. Step 3: Cross multiply
    1,545,020.80x = 2,317,761.60 × 547,670.40
  4. Step 4: Simplify right side
    1,545,020.80x = 1,269,369,422,576.64
  5. Step 5: Solve for x
    x = 1,269,369,422,576.64/1,545,020.80
  6. Step 6: Final answer
    x = 821,587.27

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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.