Home / 1,170,947.79-1,615,016.40-1,007,881.83

Finding the Fourth Proportional to 1,170,947.79, 1,615,016.40 and 1,007,881.83

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Solution

The fourth proportional to 1,170,947.79, 1,615,016.40 and 1,007,881.83 is: 1,390,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,947.79 : 1,615,016.40 = 1,007,881.83 : x
  2. Step 2: Convert to fraction form
    1,170,947.79/1,615,016.40 = 1,007,881.83/x
  3. Step 3: Cross multiply
    1,170,947.79x = 1,615,016.40 × 1,007,881.83
  4. Step 4: Simplify right side
    1,170,947.79x = 1,627,745,684,712.01
  5. Step 5: Solve for x
    x = 1,627,745,684,712.01/1,170,947.79
  6. Step 6: Final answer
    x = 1,390,109.53

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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.