Home / 1,384,019.38-1,910,731.44-900,342.46

Finding the Fourth Proportional to 1,384,019.38, 1,910,731.44 and 900,342.46

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Solution

The fourth proportional to 1,384,019.38, 1,910,731.44 and 900,342.46 is: 1,242,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,019.38 : 1,910,731.44 = 900,342.46 : x
  2. Step 2: Convert to fraction form
    1,384,019.38/1,910,731.44 = 900,342.46/x
  3. Step 3: Cross multiply
    1,384,019.38x = 1,910,731.44 × 900,342.46
  4. Step 4: Simplify right side
    1,384,019.38x = 1,720,312,645,088.94
  5. Step 5: Solve for x
    x = 1,720,312,645,088.94/1,384,019.38
  6. Step 6: Final answer
    x = 1,242,983.06

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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.