Home / 1,242,126.14-1,714,020.95-718,746.28

Finding the Fourth Proportional to 1,242,126.14, 1,714,020.95 and 718,746.28

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Solution

The fourth proportional to 1,242,126.14, 1,714,020.95 and 718,746.28 is: 991,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,126.14 : 1,714,020.95 = 718,746.28 : x
  2. Step 2: Convert to fraction form
    1,242,126.14/1,714,020.95 = 718,746.28/x
  3. Step 3: Cross multiply
    1,242,126.14x = 1,714,020.95 × 718,746.28
  4. Step 4: Simplify right side
    1,242,126.14x = 1,231,946,173,775.78
  5. Step 5: Solve for x
    x = 1,231,946,173,775.78/1,242,126.14
  6. Step 6: Final answer
    x = 991,804.41

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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.