Home / 1,257,434.37-1,885,995.63-358,954.83

Finding the Fourth Proportional to 1,257,434.37, 1,885,995.63 and 358,954.83

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Solution

The fourth proportional to 1,257,434.37, 1,885,995.63 and 358,954.83 is: 538,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,434.37 : 1,885,995.63 = 358,954.83 : x
  2. Step 2: Convert to fraction form
    1,257,434.37/1,885,995.63 = 358,954.83/x
  3. Step 3: Cross multiply
    1,257,434.37x = 1,885,995.63 × 358,954.83
  4. Step 4: Simplify right side
    1,257,434.37x = 676,987,240,747.39
  5. Step 5: Solve for x
    x = 676,987,240,747.39/1,257,434.37
  6. Step 6: Final answer
    x = 538,387.73

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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.