Home / 1,312,934.80-1,969,056.60-414,374.80

Finding the Fourth Proportional to 1,312,934.80, 1,969,056.60 and 414,374.80

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Solution

The fourth proportional to 1,312,934.80, 1,969,056.60 and 414,374.80 is: 621,453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,934.80 : 1,969,056.60 = 414,374.80 : x
  2. Step 2: Convert to fraction form
    1,312,934.80/1,969,056.60 = 414,374.80/x
  3. Step 3: Cross multiply
    1,312,934.80x = 1,969,056.60 × 414,374.80
  4. Step 4: Simplify right side
    1,312,934.80x = 815,927,434,813.68
  5. Step 5: Solve for x
    x = 815,927,434,813.68/1,312,934.80
  6. Step 6: Final answer
    x = 621,453.13

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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.