Home / 1,390,084.74-2,085,298.83-491,341.14

Finding the Fourth Proportional to 1,390,084.74, 2,085,298.83 and 491,341.14

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Solution

The fourth proportional to 1,390,084.74, 2,085,298.83 and 491,341.14 is: 737,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,084.74 : 2,085,298.83 = 491,341.14 : x
  2. Step 2: Convert to fraction form
    1,390,084.74/2,085,298.83 = 491,341.14/x
  3. Step 3: Cross multiply
    1,390,084.74x = 2,085,298.83 × 491,341.14
  4. Step 4: Simplify right side
    1,390,084.74x = 1,024,593,104,372.87
  5. Step 5: Solve for x
    x = 1,024,593,104,372.87/1,390,084.74
  6. Step 6: Final answer
    x = 737,072.41

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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.