Home / 1,421,337.64-2,131,131.66-474,454.12

Finding the Fourth Proportional to 1,421,337.64, 2,131,131.66 and 474,454.12

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Solution

The fourth proportional to 1,421,337.64, 2,131,131.66 and 474,454.12 is: 711,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,337.64 : 2,131,131.66 = 474,454.12 : x
  2. Step 2: Convert to fraction form
    1,421,337.64/2,131,131.66 = 474,454.12/x
  3. Step 3: Cross multiply
    1,421,337.64x = 2,131,131.66 × 474,454.12
  4. Step 4: Simplify right side
    1,421,337.64x = 1,011,124,196,349.44
  5. Step 5: Solve for x
    x = 1,011,124,196,349.44/1,421,337.64
  6. Step 6: Final answer
    x = 711,389.16

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Double scale
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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.