Home / 1,264,718.36-1,745,267.15-721,029.24

Finding the Fourth Proportional to 1,264,718.36, 1,745,267.15 and 721,029.24

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Solution

The fourth proportional to 1,264,718.36, 1,745,267.15 and 721,029.24 is: 994,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,718.36 : 1,745,267.15 = 721,029.24 : x
  2. Step 2: Convert to fraction form
    1,264,718.36/1,745,267.15 = 721,029.24/x
  3. Step 3: Cross multiply
    1,264,718.36x = 1,745,267.15 × 721,029.24
  4. Step 4: Simplify right side
    1,264,718.36x = 1,258,388,643,156.32
  5. Step 5: Solve for x
    x = 1,258,388,643,156.32/1,264,718.36
  6. Step 6: Final answer
    x = 994,995.16

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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.