Home / 893,621.20-1,340,431.80-802,382.80

Finding the Fourth Proportional to 893,621.20, 1,340,431.80 and 802,382.80

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Solution

The fourth proportional to 893,621.20, 1,340,431.80 and 802,382.80 is: 1,203,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,621.20 : 1,340,431.80 = 802,382.80 : x
  2. Step 2: Convert to fraction form
    893,621.20/1,340,431.80 = 802,382.80/x
  3. Step 3: Cross multiply
    893,621.20x = 1,340,431.80 × 802,382.80
  4. Step 4: Simplify right side
    893,621.20x = 1,075,539,420,893.04
  5. Step 5: Solve for x
    x = 1,075,539,420,893.04/893,621.20
  6. Step 6: Final answer
    x = 1,203,574.20

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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.