Home / 1,242,493.26-1,714,228.23-1,012,655.34

Finding the Fourth Proportional to 1,242,493.26, 1,714,228.23 and 1,012,655.34

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Solution

The fourth proportional to 1,242,493.26, 1,714,228.23 and 1,012,655.34 is: 1,397,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,493.26 : 1,714,228.23 = 1,012,655.34 : x
  2. Step 2: Convert to fraction form
    1,242,493.26/1,714,228.23 = 1,012,655.34/x
  3. Step 3: Cross multiply
    1,242,493.26x = 1,714,228.23 × 1,012,655.34
  4. Step 4: Simplify right side
    1,242,493.26x = 1,735,922,371,088.25
  5. Step 5: Solve for x
    x = 1,735,922,371,088.25/1,242,493.26
  6. Step 6: Final answer
    x = 1,397,128.20

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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.