Home / 1,359,729-2,039,636.70-413,107.96

Finding the Fourth Proportional to 1,359,729, 2,039,636.70 and 413,107.96

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Solution

The fourth proportional to 1,359,729, 2,039,636.70 and 413,107.96 is: 619,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,729 : 2,039,636.70 = 413,107.96 : x
  2. Step 2: Convert to fraction form
    1,359,729/2,039,636.70 = 413,107.96/x
  3. Step 3: Cross multiply
    1,359,729x = 2,039,636.70 × 413,107.96
  4. Step 4: Simplify right side
    1,359,729x = 842,590,156,278.13
  5. Step 5: Solve for x
    x = 842,590,156,278.13/1,359,729
  6. Step 6: Final answer
    x = 619,675.06

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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.