Home / 1,560,458.80-2,340,688.20-438,527.80

Finding the Fourth Proportional to 1,560,458.80, 2,340,688.20 and 438,527.80

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Solution

The fourth proportional to 1,560,458.80, 2,340,688.20 and 438,527.80 is: 657,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,458.80 : 2,340,688.20 = 438,527.80 : x
  2. Step 2: Convert to fraction form
    1,560,458.80/2,340,688.20 = 438,527.80/x
  3. Step 3: Cross multiply
    1,560,458.80x = 2,340,688.20 × 438,527.80
  4. Step 4: Simplify right side
    1,560,458.80x = 1,026,456,846,831.96
  5. Step 5: Solve for x
    x = 1,026,456,846,831.96/1,560,458.80
  6. Step 6: Final answer
    x = 657,791.70

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Double scale
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Similar ratio
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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.