Home / 1,139,091.92-1,711,295.56-666,110.24

Finding the Fourth Proportional to 1,139,091.92, 1,711,295.56 and 666,110.24

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Solution

The fourth proportional to 1,139,091.92, 1,711,295.56 and 666,110.24 is: 1,000,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,091.92 : 1,711,295.56 = 666,110.24 : x
  2. Step 2: Convert to fraction form
    1,139,091.92/1,711,295.56 = 666,110.24/x
  3. Step 3: Cross multiply
    1,139,091.92x = 1,711,295.56 × 666,110.24
  4. Step 4: Simplify right side
    1,139,091.92x = 1,139,911,496,182.53
  5. Step 5: Solve for x
    x = 1,139,911,496,182.53/1,139,091.92
  6. Step 6: Final answer
    x = 1,000,719.50

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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.