Home / 993,765.60-1,490,842.80-425,145.60

Finding the Fourth Proportional to 993,765.60, 1,490,842.80 and 425,145.60

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Solution

The fourth proportional to 993,765.60, 1,490,842.80 and 425,145.60 is: 637,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,765.60 : 1,490,842.80 = 425,145.60 : x
  2. Step 2: Convert to fraction form
    993,765.60/1,490,842.80 = 425,145.60/x
  3. Step 3: Cross multiply
    993,765.60x = 1,490,842.80 × 425,145.60
  4. Step 4: Simplify right side
    993,765.60x = 633,825,256,711.68
  5. Step 5: Solve for x
    x = 633,825,256,711.68/993,765.60
  6. Step 6: Final answer
    x = 637,801.57

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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.