Home / 1,091,656.80-1,637,485.20-694,060.20

Finding the Fourth Proportional to 1,091,656.80, 1,637,485.20 and 694,060.20

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Solution

The fourth proportional to 1,091,656.80, 1,637,485.20 and 694,060.20 is: 1,041,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,656.80 : 1,637,485.20 = 694,060.20 : x
  2. Step 2: Convert to fraction form
    1,091,656.80/1,637,485.20 = 694,060.20/x
  3. Step 3: Cross multiply
    1,091,656.80x = 1,637,485.20 × 694,060.20
  4. Step 4: Simplify right side
    1,091,656.80x = 1,136,513,305,409.04
  5. Step 5: Solve for x
    x = 1,136,513,305,409.04/1,091,656.80
  6. Step 6: Final answer
    x = 1,041,090.30

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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.