Home / 1,567,479.90-2,351,219.85-770,318.40

Finding the Fourth Proportional to 1,567,479.90, 2,351,219.85 and 770,318.40

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Solution

The fourth proportional to 1,567,479.90, 2,351,219.85 and 770,318.40 is: 1,155,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,479.90 : 2,351,219.85 = 770,318.40 : x
  2. Step 2: Convert to fraction form
    1,567,479.90/2,351,219.85 = 770,318.40/x
  3. Step 3: Cross multiply
    1,567,479.90x = 2,351,219.85 × 770,318.40
  4. Step 4: Simplify right side
    1,567,479.90x = 1,811,187,912,900.24
  5. Step 5: Solve for x
    x = 1,811,187,912,900.24/1,567,479.90
  6. Step 6: Final answer
    x = 1,155,477.60

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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.