Home / 1,210,725.20-1,812,588.60-738,333.20

Finding the Fourth Proportional to 1,210,725.20, 1,812,588.60 and 738,333.20

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Solution

The fourth proportional to 1,210,725.20, 1,812,588.60 and 738,333.20 is: 1,105,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,725.20 : 1,812,588.60 = 738,333.20 : x
  2. Step 2: Convert to fraction form
    1,210,725.20/1,812,588.60 = 738,333.20/x
  3. Step 3: Cross multiply
    1,210,725.20x = 1,812,588.60 × 738,333.20
  4. Step 4: Simplify right side
    1,210,725.20x = 1,338,294,341,321.52
  5. Step 5: Solve for x
    x = 1,338,294,341,321.52/1,210,725.20
  6. Step 6: Final answer
    x = 1,105,365.89

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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.