Home / 1,602,980.13-2,212,085.77-867,928.48

Finding the Fourth Proportional to 1,602,980.13, 2,212,085.77 and 867,928.48

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Solution

The fourth proportional to 1,602,980.13, 2,212,085.77 and 867,928.48 is: 1,197,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,980.13 : 2,212,085.77 = 867,928.48 : x
  2. Step 2: Convert to fraction form
    1,602,980.13/2,212,085.77 = 867,928.48/x
  3. Step 3: Cross multiply
    1,602,980.13x = 2,212,085.77 × 867,928.48
  4. Step 4: Simplify right side
    1,602,980.13x = 1,919,932,239,985.73
  5. Step 5: Solve for x
    x = 1,919,932,239,985.73/1,602,980.13
  6. Step 6: Final answer
    x = 1,197,726.79

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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.