Home / 1,240,815.64-1,859,614.30-557,197.71

Finding the Fourth Proportional to 1,240,815.64, 1,859,614.30 and 557,197.71

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Solution

The fourth proportional to 1,240,815.64, 1,859,614.30 and 557,197.71 is: 835,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,815.64 : 1,859,614.30 = 557,197.71 : x
  2. Step 2: Convert to fraction form
    1,240,815.64/1,859,614.30 = 557,197.71/x
  3. Step 3: Cross multiply
    1,240,815.64x = 1,859,614.30 × 557,197.71
  4. Step 4: Simplify right side
    1,240,815.64x = 1,036,172,828,396.36
  5. Step 5: Solve for x
    x = 1,036,172,828,396.36/1,240,815.64
  6. Step 6: Final answer
    x = 835,073.96

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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.