Home / 1,090,457.01-1,635,944.31-342,503.01

Finding the Fourth Proportional to 1,090,457.01, 1,635,944.31 and 342,503.01

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Solution

The fourth proportional to 1,090,457.01, 1,635,944.31 and 342,503.01 is: 513,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,457.01 : 1,635,944.31 = 342,503.01 : x
  2. Step 2: Convert to fraction form
    1,090,457.01/1,635,944.31 = 342,503.01/x
  3. Step 3: Cross multiply
    1,090,457.01x = 1,635,944.31 × 342,503.01
  4. Step 4: Simplify right side
    1,090,457.01x = 560,315,850,367.37
  5. Step 5: Solve for x
    x = 560,315,850,367.37/1,090,457.01
  6. Step 6: Final answer
    x = 513,835.80

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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.