Home / 1,261,984.51-1,741,333.17-745,666.48

Finding the Fourth Proportional to 1,261,984.51, 1,741,333.17 and 745,666.48

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Solution

The fourth proportional to 1,261,984.51, 1,741,333.17 and 745,666.48 is: 1,028,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,984.51 : 1,741,333.17 = 745,666.48 : x
  2. Step 2: Convert to fraction form
    1,261,984.51/1,741,333.17 = 745,666.48/x
  3. Step 3: Cross multiply
    1,261,984.51x = 1,741,333.17 × 745,666.48
  4. Step 4: Simplify right side
    1,261,984.51x = 1,298,453,775,381.14
  5. Step 5: Solve for x
    x = 1,298,453,775,381.14/1,261,984.51
  6. Step 6: Final answer
    x = 1,028,898.35

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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.