Home / 1,336,506.80-2,005,003.20-437,698.40

Finding the Fourth Proportional to 1,336,506.80, 2,005,003.20 and 437,698.40

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Solution

The fourth proportional to 1,336,506.80, 2,005,003.20 and 437,698.40 is: 656,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,506.80 : 2,005,003.20 = 437,698.40 : x
  2. Step 2: Convert to fraction form
    1,336,506.80/2,005,003.20 = 437,698.40/x
  3. Step 3: Cross multiply
    1,336,506.80x = 2,005,003.20 × 437,698.40
  4. Step 4: Simplify right side
    1,336,506.80x = 877,586,692,634.88
  5. Step 5: Solve for x
    x = 877,586,692,634.88/1,336,506.80
  6. Step 6: Final answer
    x = 656,627.18

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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.