Home / 1,238,886.69-1,857,936.36-842,077.41

Finding the Fourth Proportional to 1,238,886.69, 1,857,936.36 and 842,077.41

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Solution

The fourth proportional to 1,238,886.69, 1,857,936.36 and 842,077.41 is: 1,262,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,886.69 : 1,857,936.36 = 842,077.41 : x
  2. Step 2: Convert to fraction form
    1,238,886.69/1,857,936.36 = 842,077.41/x
  3. Step 3: Cross multiply
    1,238,886.69x = 1,857,936.36 × 842,077.41
  4. Step 4: Simplify right side
    1,238,886.69x = 1,564,526,237,973.63
  5. Step 5: Solve for x
    x = 1,564,526,237,973.63/1,238,886.69
  6. Step 6: Final answer
    x = 1,262,848.53

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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.