Home / 1,129,698.40-1,693,235.40-455,446.30

Finding the Fourth Proportional to 1,129,698.40, 1,693,235.40 and 455,446.30

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Solution

The fourth proportional to 1,129,698.40, 1,693,235.40 and 455,446.30 is: 682,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,698.40 : 1,693,235.40 = 455,446.30 : x
  2. Step 2: Convert to fraction form
    1,129,698.40/1,693,235.40 = 455,446.30/x
  3. Step 3: Cross multiply
    1,129,698.40x = 1,693,235.40 × 455,446.30
  4. Step 4: Simplify right side
    1,129,698.40x = 771,177,797,959.02
  5. Step 5: Solve for x
    x = 771,177,797,959.02/1,129,698.40
  6. Step 6: Final answer
    x = 682,640.43

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1.5x scale

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.