Home / 1,011,171.81-1,393,498.71-724,193.67

Finding the Fourth Proportional to 1,011,171.81, 1,393,498.71 and 724,193.67

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Solution

The fourth proportional to 1,011,171.81, 1,393,498.71 and 724,193.67 is: 998,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,171.81 : 1,393,498.71 = 724,193.67 : x
  2. Step 2: Convert to fraction form
    1,011,171.81/1,393,498.71 = 724,193.67/x
  3. Step 3: Cross multiply
    1,011,171.81x = 1,393,498.71 × 724,193.67
  4. Step 4: Simplify right side
    1,011,171.81x = 1,009,162,944,935.17
  5. Step 5: Solve for x
    x = 1,009,162,944,935.17/1,011,171.81
  6. Step 6: Final answer
    x = 998,013.33

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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.