Home / 1,456,261.93-2,181,509.43-686,706.04

Finding the Fourth Proportional to 1,456,261.93, 2,181,509.43 and 686,706.04

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Solution

The fourth proportional to 1,456,261.93, 2,181,509.43 and 686,706.04 is: 1,028,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,261.93 : 2,181,509.43 = 686,706.04 : x
  2. Step 2: Convert to fraction form
    1,456,261.93/2,181,509.43 = 686,706.04/x
  3. Step 3: Cross multiply
    1,456,261.93x = 2,181,509.43 × 686,706.04
  4. Step 4: Simplify right side
    1,456,261.93x = 1,498,055,701,897.96
  5. Step 5: Solve for x
    x = 1,498,055,701,897.96/1,456,261.93
  6. Step 6: Final answer
    x = 1,028,699.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.