Home / 1,013,986.17-1,521,771.84-445,759.83

Finding the Fourth Proportional to 1,013,986.17, 1,521,771.84 and 445,759.83

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Solution

The fourth proportional to 1,013,986.17, 1,521,771.84 and 445,759.83 is: 668,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,986.17 : 1,521,771.84 = 445,759.83 : x
  2. Step 2: Convert to fraction form
    1,013,986.17/1,521,771.84 = 445,759.83/x
  3. Step 3: Cross multiply
    1,013,986.17x = 1,521,771.84 × 445,759.83
  4. Step 4: Simplify right side
    1,013,986.17x = 678,344,756,697.19
  5. Step 5: Solve for x
    x = 678,344,756,697.19/1,013,986.17
  6. Step 6: Final answer
    x = 668,988.17

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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.