Home / 1,141,669.80-1,711,268.64-742,595.76

Finding the Fourth Proportional to 1,141,669.80, 1,711,268.64 and 742,595.76

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Solution

The fourth proportional to 1,141,669.80, 1,711,268.64 and 742,595.76 is: 1,113,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,669.80 : 1,711,268.64 = 742,595.76 : x
  2. Step 2: Convert to fraction form
    1,141,669.80/1,711,268.64 = 742,595.76/x
  3. Step 3: Cross multiply
    1,141,669.80x = 1,711,268.64 × 742,595.76
  4. Step 4: Simplify right side
    1,141,669.80x = 1,270,780,836,284.97
  5. Step 5: Solve for x
    x = 1,270,780,836,284.97/1,141,669.80
  6. Step 6: Final answer
    x = 1,113,089.65

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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.