Home / 1,623,728.94-2,240,690.38-898,607.22

Finding the Fourth Proportional to 1,623,728.94, 2,240,690.38 and 898,607.22

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Solution

The fourth proportional to 1,623,728.94, 2,240,690.38 and 898,607.22 is: 1,240,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,728.94 : 2,240,690.38 = 898,607.22 : x
  2. Step 2: Convert to fraction form
    1,623,728.94/2,240,690.38 = 898,607.22/x
  3. Step 3: Cross multiply
    1,623,728.94x = 2,240,690.38 × 898,607.22
  4. Step 4: Simplify right side
    1,623,728.94x = 2,013,500,542,603.44
  5. Step 5: Solve for x
    x = 2,013,500,542,603.44/1,623,728.94
  6. Step 6: Final answer
    x = 1,240,047.21

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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.