Home / 1,314,151.40-1,971,227.10-316,879.40

Finding the Fourth Proportional to 1,314,151.40, 1,971,227.10 and 316,879.40

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Solution

The fourth proportional to 1,314,151.40, 1,971,227.10 and 316,879.40 is: 475,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,151.40 : 1,971,227.10 = 316,879.40 : x
  2. Step 2: Convert to fraction form
    1,314,151.40/1,971,227.10 = 316,879.40/x
  3. Step 3: Cross multiply
    1,314,151.40x = 1,971,227.10 × 316,879.40
  4. Step 4: Simplify right side
    1,314,151.40x = 624,641,260,711.74
  5. Step 5: Solve for x
    x = 624,641,260,711.74/1,314,151.40
  6. Step 6: Final answer
    x = 475,319.10

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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.