Home / 1,410,382.20-1,946,329.74-765,803.64

Finding the Fourth Proportional to 1,410,382.20, 1,946,329.74 and 765,803.64

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Solution

The fourth proportional to 1,410,382.20, 1,946,329.74 and 765,803.64 is: 1,056,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,382.20 : 1,946,329.74 = 765,803.64 : x
  2. Step 2: Convert to fraction form
    1,410,382.20/1,946,329.74 = 765,803.64/x
  3. Step 3: Cross multiply
    1,410,382.20x = 1,946,329.74 × 765,803.64
  4. Step 4: Simplify right side
    1,410,382.20x = 1,490,506,399,532.25
  5. Step 5: Solve for x
    x = 1,490,506,399,532.25/1,410,382.20
  6. Step 6: Final answer
    x = 1,056,810.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.