Home / 1,390,673.80-2,082,900.30-1,359,569.80

Finding the Fourth Proportional to 1,390,673.80, 2,082,900.30 and 1,359,569.80

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Solution

The fourth proportional to 1,390,673.80, 2,082,900.30 and 1,359,569.80 is: 2,036,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,673.80 : 2,082,900.30 = 1,359,569.80 : x
  2. Step 2: Convert to fraction form
    1,390,673.80/2,082,900.30 = 1,359,569.80/x
  3. Step 3: Cross multiply
    1,390,673.80x = 2,082,900.30 × 1,359,569.80
  4. Step 4: Simplify right side
    1,390,673.80x = 2,831,848,344,290.94
  5. Step 5: Solve for x
    x = 2,831,848,344,290.94/1,390,673.80
  6. Step 6: Final answer
    x = 2,036,313.87

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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.