Home / 1,406,939.28-2,110,389.84-341,978.16

Finding the Fourth Proportional to 1,406,939.28, 2,110,389.84 and 341,978.16

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Solution

The fourth proportional to 1,406,939.28, 2,110,389.84 and 341,978.16 is: 512,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,939.28 : 2,110,389.84 = 341,978.16 : x
  2. Step 2: Convert to fraction form
    1,406,939.28/2,110,389.84 = 341,978.16/x
  3. Step 3: Cross multiply
    1,406,939.28x = 2,110,389.84 × 341,978.16
  4. Step 4: Simplify right side
    1,406,939.28x = 721,707,234,365.89
  5. Step 5: Solve for x
    x = 721,707,234,365.89/1,406,939.28
  6. Step 6: Final answer
    x = 512,962.60

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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.