Home / 1,553,830.36-2,144,175.68-856,080.69

Finding the Fourth Proportional to 1,553,830.36, 2,144,175.68 and 856,080.69

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Solution

The fourth proportional to 1,553,830.36, 2,144,175.68 and 856,080.69 is: 1,181,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,830.36 : 2,144,175.68 = 856,080.69 : x
  2. Step 2: Convert to fraction form
    1,553,830.36/2,144,175.68 = 856,080.69/x
  3. Step 3: Cross multiply
    1,553,830.36x = 2,144,175.68 × 856,080.69
  4. Step 4: Simplify right side
    1,553,830.36x = 1,835,587,398,772.04
  5. Step 5: Solve for x
    x = 1,835,587,398,772.04/1,553,830.36
  6. Step 6: Final answer
    x = 1,181,330.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.