Home / 1,406,621.37-2,109,932.08-341,656.25

Finding the Fourth Proportional to 1,406,621.37, 2,109,932.08 and 341,656.25

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Solution

The fourth proportional to 1,406,621.37, 2,109,932.08 and 341,656.25 is: 512,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,621.37 : 2,109,932.08 = 341,656.25 : x
  2. Step 2: Convert to fraction form
    1,406,621.37/2,109,932.08 = 341,656.25/x
  3. Step 3: Cross multiply
    1,406,621.37x = 2,109,932.08 × 341,656.25
  4. Step 4: Simplify right side
    1,406,621.37x = 720,871,490,047.60
  5. Step 5: Solve for x
    x = 720,871,490,047.60/1,406,621.37
  6. Step 6: Final answer
    x = 512,484.39

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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.