Home / 1,527,661.62-2,291,477.85-928,788.12

Finding the Fourth Proportional to 1,527,661.62, 2,291,477.85 and 928,788.12

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Solution

The fourth proportional to 1,527,661.62, 2,291,477.85 and 928,788.12 is: 1,393,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,661.62 : 2,291,477.85 = 928,788.12 : x
  2. Step 2: Convert to fraction form
    1,527,661.62/2,291,477.85 = 928,788.12/x
  3. Step 3: Cross multiply
    1,527,661.62x = 2,291,477.85 × 928,788.12
  4. Step 4: Simplify right side
    1,527,661.62x = 2,128,297,404,323.14
  5. Step 5: Solve for x
    x = 2,128,297,404,323.14/1,527,661.62
  6. Step 6: Final answer
    x = 1,393,173.32

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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.