Home / 1,238,883.69-1,857,931.88-842,074.41

Finding the Fourth Proportional to 1,238,883.69, 1,857,931.88 and 842,074.41

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Solution

The fourth proportional to 1,238,883.69, 1,857,931.88 and 842,074.41 is: 1,262,844.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,883.69 : 1,857,931.88 = 842,074.41 : x
  2. Step 2: Convert to fraction form
    1,238,883.69/1,857,931.88 = 842,074.41/x
  3. Step 3: Cross multiply
    1,238,883.69x = 1,857,931.88 × 842,074.41
  4. Step 4: Simplify right side
    1,238,883.69x = 1,564,516,887,460.82
  5. Step 5: Solve for x
    x = 1,564,516,887,460.82/1,238,883.69
  6. Step 6: Final answer
    x = 1,262,844.04

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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.