Home / 1,410,279.12-1,946,174.04-765,686.25

Finding the Fourth Proportional to 1,410,279.12, 1,946,174.04 and 765,686.25

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Solution

The fourth proportional to 1,410,279.12, 1,946,174.04 and 765,686.25 is: 1,056,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,279.12 : 1,946,174.04 = 765,686.25 : x
  2. Step 2: Convert to fraction form
    1,410,279.12/1,946,174.04 = 765,686.25/x
  3. Step 3: Cross multiply
    1,410,279.12x = 1,946,174.04 × 765,686.25
  4. Step 4: Simplify right side
    1,410,279.12x = 1,490,158,702,534.95
  5. Step 5: Solve for x
    x = 1,490,158,702,534.95/1,410,279.12
  6. Step 6: Final answer
    x = 1,056,640.97

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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.