Home / 1,555,081.20-2,332,621.80-657,536.40

Finding the Fourth Proportional to 1,555,081.20, 2,332,621.80 and 657,536.40

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Solution

The fourth proportional to 1,555,081.20, 2,332,621.80 and 657,536.40 is: 986,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,081.20 : 2,332,621.80 = 657,536.40 : x
  2. Step 2: Convert to fraction form
    1,555,081.20/2,332,621.80 = 657,536.40/x
  3. Step 3: Cross multiply
    1,555,081.20x = 2,332,621.80 × 657,536.40
  4. Step 4: Simplify right side
    1,555,081.20x = 1,533,783,740,933.52
  5. Step 5: Solve for x
    x = 1,533,783,740,933.52/1,555,081.20
  6. Step 6: Final answer
    x = 986,304.60

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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.