Home / 1,555,320.80-2,332,981.20-557,919.20

Finding the Fourth Proportional to 1,555,320.80, 2,332,981.20 and 557,919.20

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Solution

The fourth proportional to 1,555,320.80, 2,332,981.20 and 557,919.20 is: 836,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,320.80 : 2,332,981.20 = 557,919.20 : x
  2. Step 2: Convert to fraction form
    1,555,320.80/2,332,981.20 = 557,919.20/x
  3. Step 3: Cross multiply
    1,555,320.80x = 2,332,981.20 × 557,919.20
  4. Step 4: Simplify right side
    1,555,320.80x = 1,301,615,004,719.04
  5. Step 5: Solve for x
    x = 1,301,615,004,719.04/1,555,320.80
  6. Step 6: Final answer
    x = 836,878.80

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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.