Home / 1,040,396.60-1,560,206.10-723,913.40

Finding the Fourth Proportional to 1,040,396.60, 1,560,206.10 and 723,913.40

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Solution

The fourth proportional to 1,040,396.60, 1,560,206.10 and 723,913.40 is: 1,085,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,396.60 : 1,560,206.10 = 723,913.40 : x
  2. Step 2: Convert to fraction form
    1,040,396.60/1,560,206.10 = 723,913.40/x
  3. Step 3: Cross multiply
    1,040,396.60x = 1,560,206.10 × 723,913.40
  4. Step 4: Simplify right side
    1,040,396.60x = 1,129,454,102,551.74
  5. Step 5: Solve for x
    x = 1,129,454,102,551.74/1,040,396.60
  6. Step 6: Final answer
    x = 1,085,599.57

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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.