Home / 794,140.80-1,189,461.60-705,494.40

Finding the Fourth Proportional to 794,140.80, 1,189,461.60 and 705,494.40

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Solution

The fourth proportional to 794,140.80, 1,189,461.60 and 705,494.40 is: 1,056,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,140.80 : 1,189,461.60 = 705,494.40 : x
  2. Step 2: Convert to fraction form
    794,140.80/1,189,461.60 = 705,494.40/x
  3. Step 3: Cross multiply
    794,140.80x = 1,189,461.60 × 705,494.40
  4. Step 4: Simplify right side
    794,140.80x = 839,158,497,815.04
  5. Step 5: Solve for x
    x = 839,158,497,815.04/794,140.80
  6. Step 6: Final answer
    x = 1,056,687.30

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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.