Home / 1,248,785.64-1,873,178.55-302,156.35

Finding the Fourth Proportional to 1,248,785.64, 1,873,178.55 and 302,156.35

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Solution

The fourth proportional to 1,248,785.64, 1,873,178.55 and 302,156.35 is: 453,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,785.64 : 1,873,178.55 = 302,156.35 : x
  2. Step 2: Convert to fraction form
    1,248,785.64/1,873,178.55 = 302,156.35/x
  3. Step 3: Cross multiply
    1,248,785.64x = 1,873,178.55 × 302,156.35
  4. Step 4: Simplify right side
    1,248,785.64x = 565,992,788,883.35
  5. Step 5: Solve for x
    x = 565,992,788,883.35/1,248,785.64
  6. Step 6: Final answer
    x = 453,234.54

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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.