Home / 1,990,507.72-2,985,769.24-605,655.16

Finding the Fourth Proportional to 1,990,507.72, 2,985,769.24 and 605,655.16

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Solution

The fourth proportional to 1,990,507.72, 2,985,769.24 and 605,655.16 is: 908,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,507.72 : 2,985,769.24 = 605,655.16 : x
  2. Step 2: Convert to fraction form
    1,990,507.72/2,985,769.24 = 605,655.16/x
  3. Step 3: Cross multiply
    1,990,507.72x = 2,985,769.24 × 605,655.16
  4. Step 4: Simplify right side
    1,990,507.72x = 1,808,346,546,775.28
  5. Step 5: Solve for x
    x = 1,808,346,546,775.28/1,990,507.72
  6. Step 6: Final answer
    x = 908,485.07

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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.