Home / 947,345.80-1,421,018.70-844,126.60

Finding the Fourth Proportional to 947,345.80, 1,421,018.70 and 844,126.60

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Solution

The fourth proportional to 947,345.80, 1,421,018.70 and 844,126.60 is: 1,266,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,345.80 : 1,421,018.70 = 844,126.60 : x
  2. Step 2: Convert to fraction form
    947,345.80/1,421,018.70 = 844,126.60/x
  3. Step 3: Cross multiply
    947,345.80x = 1,421,018.70 × 844,126.60
  4. Step 4: Simplify right side
    947,345.80x = 1,199,519,683,767.42
  5. Step 5: Solve for x
    x = 1,199,519,683,767.42/947,345.80
  6. Step 6: Final answer
    x = 1,266,189.90

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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.