Home / 1,284,208.91-1,772,203.88-740,342.11

Finding the Fourth Proportional to 1,284,208.91, 1,772,203.88 and 740,342.11

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Solution

The fourth proportional to 1,284,208.91, 1,772,203.88 and 740,342.11 is: 1,021,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,208.91 : 1,772,203.88 = 740,342.11 : x
  2. Step 2: Convert to fraction form
    1,284,208.91/1,772,203.88 = 740,342.11/x
  3. Step 3: Cross multiply
    1,284,208.91x = 1,772,203.88 × 740,342.11
  4. Step 4: Simplify right side
    1,284,208.91x = 1,312,037,151,737.17
  5. Step 5: Solve for x
    x = 1,312,037,151,737.17/1,284,208.91
  6. Step 6: Final answer
    x = 1,021,669.56

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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.