Home / 768,624.80-1,152,937.20-758,127.20

Finding the Fourth Proportional to 768,624.80, 1,152,937.20 and 758,127.20

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Solution

The fourth proportional to 768,624.80, 1,152,937.20 and 758,127.20 is: 1,137,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,624.80 : 1,152,937.20 = 758,127.20 : x
  2. Step 2: Convert to fraction form
    768,624.80/1,152,937.20 = 758,127.20/x
  3. Step 3: Cross multiply
    768,624.80x = 1,152,937.20 × 758,127.20
  4. Step 4: Simplify right side
    768,624.80x = 874,073,051,211.84
  5. Step 5: Solve for x
    x = 874,073,051,211.84/768,624.80
  6. Step 6: Final answer
    x = 1,137,190.80

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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.