Home / 1,558,803.90-2,338,205.85-494,172.30

Finding the Fourth Proportional to 1,558,803.90, 2,338,205.85 and 494,172.30

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Solution

The fourth proportional to 1,558,803.90, 2,338,205.85 and 494,172.30 is: 741,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,803.90 : 2,338,205.85 = 494,172.30 : x
  2. Step 2: Convert to fraction form
    1,558,803.90/2,338,205.85 = 494,172.30/x
  3. Step 3: Cross multiply
    1,558,803.90x = 2,338,205.85 × 494,172.30
  4. Step 4: Simplify right side
    1,558,803.90x = 1,155,476,562,767.96
  5. Step 5: Solve for x
    x = 1,155,476,562,767.96/1,558,803.90
  6. Step 6: Final answer
    x = 741,258.45

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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.