Home / 1,664,245.80-2,496,368.70-992,399.40

Finding the Fourth Proportional to 1,664,245.80, 2,496,368.70 and 992,399.40

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Solution

The fourth proportional to 1,664,245.80, 2,496,368.70 and 992,399.40 is: 1,488,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,245.80 : 2,496,368.70 = 992,399.40 : x
  2. Step 2: Convert to fraction form
    1,664,245.80/2,496,368.70 = 992,399.40/x
  3. Step 3: Cross multiply
    1,664,245.80x = 2,496,368.70 × 992,399.40
  4. Step 4: Simplify right side
    1,664,245.80x = 2,477,394,800,058.78
  5. Step 5: Solve for x
    x = 2,477,394,800,058.78/1,664,245.80
  6. Step 6: Final answer
    x = 1,488,599.10

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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.