Home / 864,002.40-1,296,003.60-743,733.60

Finding the Fourth Proportional to 864,002.40, 1,296,003.60 and 743,733.60

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Solution

The fourth proportional to 864,002.40, 1,296,003.60 and 743,733.60 is: 1,115,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,002.40 : 1,296,003.60 = 743,733.60 : x
  2. Step 2: Convert to fraction form
    864,002.40/1,296,003.60 = 743,733.60/x
  3. Step 3: Cross multiply
    864,002.40x = 1,296,003.60 × 743,733.60
  4. Step 4: Simplify right side
    864,002.40x = 963,881,423,040.96
  5. Step 5: Solve for x
    x = 963,881,423,040.96/864,002.40
  6. Step 6: Final answer
    x = 1,115,600.40

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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.