Home / 1,307,699.96-1,804,777.13-763,971.66

Finding the Fourth Proportional to 1,307,699.96, 1,804,777.13 and 763,971.66

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Solution

The fourth proportional to 1,307,699.96, 1,804,777.13 and 763,971.66 is: 1,054,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,699.96 : 1,804,777.13 = 763,971.66 : x
  2. Step 2: Convert to fraction form
    1,307,699.96/1,804,777.13 = 763,971.66/x
  3. Step 3: Cross multiply
    1,307,699.96x = 1,804,777.13 × 763,971.66
  4. Step 4: Simplify right side
    1,307,699.96x = 1,378,798,581,846.07
  5. Step 5: Solve for x
    x = 1,378,798,581,846.07/1,307,699.96
  6. Step 6: Final answer
    x = 1,054,369.22

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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.