Home / 1,261,714.02-1,741,142.69-717,838.10

Finding the Fourth Proportional to 1,261,714.02, 1,741,142.69 and 717,838.10

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Solution

The fourth proportional to 1,261,714.02, 1,741,142.69 and 717,838.10 is: 990,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,714.02 : 1,741,142.69 = 717,838.10 : x
  2. Step 2: Convert to fraction form
    1,261,714.02/1,741,142.69 = 717,838.10/x
  3. Step 3: Cross multiply
    1,261,714.02x = 1,741,142.69 × 717,838.10
  4. Step 4: Simplify right side
    1,261,714.02x = 1,249,858,557,344.76
  5. Step 5: Solve for x
    x = 1,249,858,557,344.76/1,261,714.02
  6. Step 6: Final answer
    x = 990,603.69

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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.