Home / 1,090,443.51-1,635,924.06-342,489.51

Finding the Fourth Proportional to 1,090,443.51, 1,635,924.06 and 342,489.51

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Solution

The fourth proportional to 1,090,443.51, 1,635,924.06 and 342,489.51 is: 513,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,443.51 : 1,635,924.06 = 342,489.51 : x
  2. Step 2: Convert to fraction form
    1,090,443.51/1,635,924.06 = 342,489.51/x
  3. Step 3: Cross multiply
    1,090,443.51x = 1,635,924.06 × 342,489.51
  4. Step 4: Simplify right side
    1,090,443.51x = 560,286,829,706.61
  5. Step 5: Solve for x
    x = 560,286,829,706.61/1,090,443.51
  6. Step 6: Final answer
    x = 513,815.55

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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.