Home / 1,300,273.40-1,947,785.70-738,651.80

Finding the Fourth Proportional to 1,300,273.40, 1,947,785.70 and 738,651.80

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Solution

The fourth proportional to 1,300,273.40, 1,947,785.70 and 738,651.80 is: 1,106,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,273.40 : 1,947,785.70 = 738,651.80 : x
  2. Step 2: Convert to fraction form
    1,300,273.40/1,947,785.70 = 738,651.80/x
  3. Step 3: Cross multiply
    1,300,273.40x = 1,947,785.70 × 738,651.80
  4. Step 4: Simplify right side
    1,300,273.40x = 1,438,735,413,319.26
  5. Step 5: Solve for x
    x = 1,438,735,413,319.26/1,300,273.40
  6. Step 6: Final answer
    x = 1,106,486.85

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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.