Home / 1,267,340.64-1,900,812.24-414,406.32

Finding the Fourth Proportional to 1,267,340.64, 1,900,812.24 and 414,406.32

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Solution

The fourth proportional to 1,267,340.64, 1,900,812.24 and 414,406.32 is: 621,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,340.64 : 1,900,812.24 = 414,406.32 : x
  2. Step 2: Convert to fraction form
    1,267,340.64/1,900,812.24 = 414,406.32/x
  3. Step 3: Cross multiply
    1,267,340.64x = 1,900,812.24 × 414,406.32
  4. Step 4: Simplify right side
    1,267,340.64x = 787,708,605,389.36
  5. Step 5: Solve for x
    x = 787,708,605,389.36/1,267,340.64
  6. Step 6: Final answer
    x = 621,544.50

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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.