Home / 1,571,511.84-2,355,689.52-505,770.72

Finding the Fourth Proportional to 1,571,511.84, 2,355,689.52 and 505,770.72

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Solution

The fourth proportional to 1,571,511.84, 2,355,689.52 and 505,770.72 is: 758,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,511.84 : 2,355,689.52 = 505,770.72 : x
  2. Step 2: Convert to fraction form
    1,571,511.84/2,355,689.52 = 505,770.72/x
  3. Step 3: Cross multiply
    1,571,511.84x = 2,355,689.52 × 505,770.72
  4. Step 4: Simplify right side
    1,571,511.84x = 1,191,438,784,626.85
  5. Step 5: Solve for x
    x = 1,191,438,784,626.85/1,571,511.84
  6. Step 6: Final answer
    x = 758,148.14

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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.