Home / 738,525.60-1,107,788.40-726,715.80

Finding the Fourth Proportional to 738,525.60, 1,107,788.40 and 726,715.80

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Solution

The fourth proportional to 738,525.60, 1,107,788.40 and 726,715.80 is: 1,090,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,525.60 : 1,107,788.40 = 726,715.80 : x
  2. Step 2: Convert to fraction form
    738,525.60/1,107,788.40 = 726,715.80/x
  3. Step 3: Cross multiply
    738,525.60x = 1,107,788.40 × 726,715.80
  4. Step 4: Simplify right side
    738,525.60x = 805,047,333,336.72
  5. Step 5: Solve for x
    x = 805,047,333,336.72/738,525.60
  6. Step 6: Final answer
    x = 1,090,073.70

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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.