Home / 1,208,246.79-1,666,965.51-749,196.03

Finding the Fourth Proportional to 1,208,246.79, 1,666,965.51 and 749,196.03

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Solution

The fourth proportional to 1,208,246.79, 1,666,965.51 and 749,196.03 is: 1,033,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,246.79 : 1,666,965.51 = 749,196.03 : x
  2. Step 2: Convert to fraction form
    1,208,246.79/1,666,965.51 = 749,196.03/x
  3. Step 3: Cross multiply
    1,208,246.79x = 1,666,965.51 × 749,196.03
  4. Step 4: Simplify right side
    1,208,246.79x = 1,248,883,942,238.93
  5. Step 5: Solve for x
    x = 1,248,883,942,238.93/1,208,246.79
  6. Step 6: Final answer
    x = 1,033,633.16

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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.