Home / 1,390,923.18-2,086,384.80-759,492.54

Finding the Fourth Proportional to 1,390,923.18, 2,086,384.80 and 759,492.54

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Solution

The fourth proportional to 1,390,923.18, 2,086,384.80 and 759,492.54 is: 1,139,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,923.18 : 2,086,384.80 = 759,492.54 : x
  2. Step 2: Convert to fraction form
    1,390,923.18/2,086,384.80 = 759,492.54/x
  3. Step 3: Cross multiply
    1,390,923.18x = 2,086,384.80 × 759,492.54
  4. Step 4: Simplify right side
    1,390,923.18x = 1,584,593,691,169.39
  5. Step 5: Solve for x
    x = 1,584,593,691,169.39/1,390,923.18
  6. Step 6: Final answer
    x = 1,139,238.83

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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.