Home / 1,293,473.40-1,940,210.10-494,343.60

Finding the Fourth Proportional to 1,293,473.40, 1,940,210.10 and 494,343.60

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Solution

The fourth proportional to 1,293,473.40, 1,940,210.10 and 494,343.60 is: 741,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,473.40 : 1,940,210.10 = 494,343.60 : x
  2. Step 2: Convert to fraction form
    1,293,473.40/1,940,210.10 = 494,343.60/x
  3. Step 3: Cross multiply
    1,293,473.40x = 1,940,210.10 × 494,343.60
  4. Step 4: Simplify right side
    1,293,473.40x = 959,130,445,590.36
  5. Step 5: Solve for x
    x = 959,130,445,590.36/1,293,473.40
  6. Step 6: Final answer
    x = 741,515.40

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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.