Home / 1,255,339.20-1,883,008.80-724,497.60

Finding the Fourth Proportional to 1,255,339.20, 1,883,008.80 and 724,497.60

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Solution

The fourth proportional to 1,255,339.20, 1,883,008.80 and 724,497.60 is: 1,086,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,339.20 : 1,883,008.80 = 724,497.60 : x
  2. Step 2: Convert to fraction form
    1,255,339.20/1,883,008.80 = 724,497.60/x
  3. Step 3: Cross multiply
    1,255,339.20x = 1,883,008.80 × 724,497.60
  4. Step 4: Simplify right side
    1,255,339.20x = 1,364,235,356,378.88
  5. Step 5: Solve for x
    x = 1,364,235,356,378.88/1,255,339.20
  6. Step 6: Final answer
    x = 1,086,746.40

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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.