Home / 1,312,725.06-1,969,087.38-315,453.06

Finding the Fourth Proportional to 1,312,725.06, 1,969,087.38 and 315,453.06

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Solution

The fourth proportional to 1,312,725.06, 1,969,087.38 and 315,453.06 is: 473,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,725.06 : 1,969,087.38 = 315,453.06 : x
  2. Step 2: Convert to fraction form
    1,312,725.06/1,969,087.38 = 315,453.06/x
  3. Step 3: Cross multiply
    1,312,725.06x = 1,969,087.38 × 315,453.06
  4. Step 4: Simplify right side
    1,312,725.06x = 621,154,639,428.38
  5. Step 5: Solve for x
    x = 621,154,639,428.38/1,312,725.06
  6. Step 6: Final answer
    x = 473,179.54

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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.