Home / 1,284,219.04-1,772,235.32-774,823

Finding the Fourth Proportional to 1,284,219.04, 1,772,235.32 and 774,823

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Solution

The fourth proportional to 1,284,219.04, 1,772,235.32 and 774,823 is: 1,069,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,219.04 : 1,772,235.32 = 774,823 : x
  2. Step 2: Convert to fraction form
    1,284,219.04/1,772,235.32 = 774,823/x
  3. Step 3: Cross multiply
    1,284,219.04x = 1,772,235.32 × 774,823
  4. Step 4: Simplify right side
    1,284,219.04x = 1,373,168,687,348.36
  5. Step 5: Solve for x
    x = 1,373,168,687,348.36/1,284,219.04
  6. Step 6: Final answer
    x = 1,069,263.61

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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.