Home / 1,516,918.86-2,275,717.68-570,297.78

Finding the Fourth Proportional to 1,516,918.86, 2,275,717.68 and 570,297.78

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Solution

The fourth proportional to 1,516,918.86, 2,275,717.68 and 570,297.78 is: 855,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,918.86 : 2,275,717.68 = 570,297.78 : x
  2. Step 2: Convert to fraction form
    1,516,918.86/2,275,717.68 = 570,297.78/x
  3. Step 3: Cross multiply
    1,516,918.86x = 2,275,717.68 × 570,297.78
  4. Step 4: Simplify right side
    1,516,918.86x = 1,297,836,740,810.75
  5. Step 5: Solve for x
    x = 1,297,836,740,810.75/1,516,918.86
  6. Step 6: Final answer
    x = 855,574.27

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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.