Home / 1,090,458.40-1,635,687.60-342,503.20

Finding the Fourth Proportional to 1,090,458.40, 1,635,687.60 and 342,503.20

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Solution

The fourth proportional to 1,090,458.40, 1,635,687.60 and 342,503.20 is: 513,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,458.40 : 1,635,687.60 = 342,503.20 : x
  2. Step 2: Convert to fraction form
    1,090,458.40/1,635,687.60 = 342,503.20/x
  3. Step 3: Cross multiply
    1,090,458.40x = 1,635,687.60 × 342,503.20
  4. Step 4: Simplify right side
    1,090,458.40x = 560,228,237,200.32
  5. Step 5: Solve for x
    x = 560,228,237,200.32/1,090,458.40
  6. Step 6: Final answer
    x = 513,754.80

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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.