Home / 1,284,221.04-1,772,238.08-774,825

Finding the Fourth Proportional to 1,284,221.04, 1,772,238.08 and 774,825

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Solution

The fourth proportional to 1,284,221.04, 1,772,238.08 and 774,825 is: 1,069,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,221.04 : 1,772,238.08 = 774,825 : x
  2. Step 2: Convert to fraction form
    1,284,221.04/1,772,238.08 = 774,825/x
  3. Step 3: Cross multiply
    1,284,221.04x = 1,772,238.08 × 774,825
  4. Step 4: Simplify right side
    1,284,221.04x = 1,373,174,370,336
  5. Step 5: Solve for x
    x = 1,373,174,370,336/1,284,221.04
  6. Step 6: Final answer
    x = 1,069,266.37

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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.