Home / 1,687,741.29-2,329,090.40-913,372.25

Finding the Fourth Proportional to 1,687,741.29, 2,329,090.40 and 913,372.25

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Solution

The fourth proportional to 1,687,741.29, 2,329,090.40 and 913,372.25 is: 1,260,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,741.29 : 2,329,090.40 = 913,372.25 : x
  2. Step 2: Convert to fraction form
    1,687,741.29/2,329,090.40 = 913,372.25/x
  3. Step 3: Cross multiply
    1,687,741.29x = 2,329,090.40 × 913,372.25
  4. Step 4: Simplify right side
    1,687,741.29x = 2,127,326,529,739.38
  5. Step 5: Solve for x
    x = 2,127,326,529,739.38/1,687,741.29
  6. Step 6: Final answer
    x = 1,260,457.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.