Home / 1,296,418.57-1,788,892.56-723,482.89

Finding the Fourth Proportional to 1,296,418.57, 1,788,892.56 and 723,482.89

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Solution

The fourth proportional to 1,296,418.57, 1,788,892.56 and 723,482.89 is: 998,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,418.57 : 1,788,892.56 = 723,482.89 : x
  2. Step 2: Convert to fraction form
    1,296,418.57/1,788,892.56 = 723,482.89/x
  3. Step 3: Cross multiply
    1,296,418.57x = 1,788,892.56 × 723,482.89
  4. Step 4: Simplify right side
    1,296,418.57x = 1,294,233,159,208.30
  5. Step 5: Solve for x
    x = 1,294,233,159,208.30/1,296,418.57
  6. Step 6: Final answer
    x = 998,314.27

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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.