Home / 1,256,288.90-1,733,832.60-740,016.11

Finding the Fourth Proportional to 1,256,288.90, 1,733,832.60 and 740,016.11

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Solution

The fourth proportional to 1,256,288.90, 1,733,832.60 and 740,016.11 is: 1,021,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,288.90 : 1,733,832.60 = 740,016.11 : x
  2. Step 2: Convert to fraction form
    1,256,288.90/1,733,832.60 = 740,016.11/x
  3. Step 3: Cross multiply
    1,256,288.90x = 1,733,832.60 × 740,016.11
  4. Step 4: Simplify right side
    1,256,288.90x = 1,283,064,056,043.19
  5. Step 5: Solve for x
    x = 1,283,064,056,043.19/1,256,288.90
  6. Step 6: Final answer
    x = 1,021,312.90

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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.