Home / 1,006,332.04-1,389,311.54-667,258.76

Finding the Fourth Proportional to 1,006,332.04, 1,389,311.54 and 667,258.76

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Solution

The fourth proportional to 1,006,332.04, 1,389,311.54 and 667,258.76 is: 921,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,332.04 : 1,389,311.54 = 667,258.76 : x
  2. Step 2: Convert to fraction form
    1,006,332.04/1,389,311.54 = 667,258.76/x
  3. Step 3: Cross multiply
    1,006,332.04x = 1,389,311.54 × 667,258.76
  4. Step 4: Simplify right side
    1,006,332.04x = 927,030,295,434.09
  5. Step 5: Solve for x
    x = 927,030,295,434.09/1,006,332.04
  6. Step 6: Final answer
    x = 921,197.24

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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.