Home / 1,314,586.10-1,971,879.15-317,314.10

Finding the Fourth Proportional to 1,314,586.10, 1,971,879.15 and 317,314.10

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Solution

The fourth proportional to 1,314,586.10, 1,971,879.15 and 317,314.10 is: 475,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,586.10 : 1,971,879.15 = 317,314.10 : x
  2. Step 2: Convert to fraction form
    1,314,586.10/1,971,879.15 = 317,314.10/x
  3. Step 3: Cross multiply
    1,314,586.10x = 1,971,879.15 × 317,314.10
  4. Step 4: Simplify right side
    1,314,586.10x = 625,705,047,931.62
  5. Step 5: Solve for x
    x = 625,705,047,931.62/1,314,586.10
  6. Step 6: Final answer
    x = 475,971.14

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Double scale
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Similar ratio
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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.