Home / 1,355,819.60-2,033,729.40-344,939.60

Finding the Fourth Proportional to 1,355,819.60, 2,033,729.40 and 344,939.60

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Solution

The fourth proportional to 1,355,819.60, 2,033,729.40 and 344,939.60 is: 517,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,819.60 : 2,033,729.40 = 344,939.60 : x
  2. Step 2: Convert to fraction form
    1,355,819.60/2,033,729.40 = 344,939.60/x
  3. Step 3: Cross multiply
    1,355,819.60x = 2,033,729.40 × 344,939.60
  4. Step 4: Simplify right side
    1,355,819.60x = 701,513,805,744.24
  5. Step 5: Solve for x
    x = 701,513,805,744.24/1,355,819.60
  6. Step 6: Final answer
    x = 517,409.40

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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.