Home / 1,369,050.93-1,889,361.05-788,360.25

Finding the Fourth Proportional to 1,369,050.93, 1,889,361.05 and 788,360.25

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Solution

The fourth proportional to 1,369,050.93, 1,889,361.05 and 788,360.25 is: 1,087,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,050.93 : 1,889,361.05 = 788,360.25 : x
  2. Step 2: Convert to fraction form
    1,369,050.93/1,889,361.05 = 788,360.25/x
  3. Step 3: Cross multiply
    1,369,050.93x = 1,889,361.05 × 788,360.25
  4. Step 4: Simplify right side
    1,369,050.93x = 1,489,497,149,718.26
  5. Step 5: Solve for x
    x = 1,489,497,149,718.26/1,369,050.93
  6. Step 6: Final answer
    x = 1,087,977.90

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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.