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Finding the Fourth Proportional to 1,303,298.40, 1,954,947.60 and 804,943.20

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Solution

The fourth proportional to 1,303,298.40, 1,954,947.60 and 804,943.20 is: 1,207,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,298.40 : 1,954,947.60 = 804,943.20 : x
  2. Step 2: Convert to fraction form
    1,303,298.40/1,954,947.60 = 804,943.20/x
  3. Step 3: Cross multiply
    1,303,298.40x = 1,954,947.60 × 804,943.20
  4. Step 4: Simplify right side
    1,303,298.40x = 1,573,621,776,976.32
  5. Step 5: Solve for x
    x = 1,573,621,776,976.32/1,303,298.40
  6. Step 6: Final answer
    x = 1,207,414.80

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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.