Home / 1,567,479.40-2,351,219.10-770,317.90

Finding the Fourth Proportional to 1,567,479.40, 2,351,219.10 and 770,317.90

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Solution

The fourth proportional to 1,567,479.40, 2,351,219.10 and 770,317.90 is: 1,155,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,479.40 : 2,351,219.10 = 770,317.90 : x
  2. Step 2: Convert to fraction form
    1,567,479.40/2,351,219.10 = 770,317.90/x
  3. Step 3: Cross multiply
    1,567,479.40x = 2,351,219.10 × 770,317.90
  4. Step 4: Simplify right side
    1,567,479.40x = 1,811,186,159,551.89
  5. Step 5: Solve for x
    x = 1,811,186,159,551.89/1,567,479.40
  6. Step 6: Final answer
    x = 1,155,476.85

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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.