Home / 1,393,686.40-2,091,220.80-795,107.20

Finding the Fourth Proportional to 1,393,686.40, 2,091,220.80 and 795,107.20

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Solution

The fourth proportional to 1,393,686.40, 2,091,220.80 and 795,107.20 is: 1,193,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,686.40 : 2,091,220.80 = 795,107.20 : x
  2. Step 2: Convert to fraction form
    1,393,686.40/2,091,220.80 = 795,107.20/x
  3. Step 3: Cross multiply
    1,393,686.40x = 2,091,220.80 × 795,107.20
  4. Step 4: Simplify right side
    1,393,686.40x = 1,662,744,714,869.76
  5. Step 5: Solve for x
    x = 1,662,744,714,869.76/1,393,686.40
  6. Step 6: Final answer
    x = 1,193,055.13

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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.