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Finding the Fourth Proportional to 1,739,313.60, 2,607,674.40 and 898,468.80

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Solution

The fourth proportional to 1,739,313.60, 2,607,674.40 and 898,468.80 is: 1,347,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,313.60 : 2,607,674.40 = 898,468.80 : x
  2. Step 2: Convert to fraction form
    1,739,313.60/2,607,674.40 = 898,468.80/x
  3. Step 3: Cross multiply
    1,739,313.60x = 2,607,674.40 × 898,468.80
  4. Step 4: Simplify right side
    1,739,313.60x = 2,342,914,088,958.72
  5. Step 5: Solve for x
    x = 2,342,914,088,958.72/1,739,313.60
  6. Step 6: Final answer
    x = 1,347,033.73

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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.