Home / 896,429.20-1,344,643.80-860,999.80

Finding the Fourth Proportional to 896,429.20, 1,344,643.80 and 860,999.80

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Solution

The fourth proportional to 896,429.20, 1,344,643.80 and 860,999.80 is: 1,291,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,429.20 : 1,344,643.80 = 860,999.80 : x
  2. Step 2: Convert to fraction form
    896,429.20/1,344,643.80 = 860,999.80/x
  3. Step 3: Cross multiply
    896,429.20x = 1,344,643.80 × 860,999.80
  4. Step 4: Simplify right side
    896,429.20x = 1,157,738,042,871.24
  5. Step 5: Solve for x
    x = 1,157,738,042,871.24/896,429.20
  6. Step 6: Final answer
    x = 1,291,499.70

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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.