Home / 1,961,962.40-2,943,040.80-1,017,178.40

Finding the Fourth Proportional to 1,961,962.40, 2,943,040.80 and 1,017,178.40

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Solution

The fourth proportional to 1,961,962.40, 2,943,040.80 and 1,017,178.40 is: 1,525,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,962.40 : 2,943,040.80 = 1,017,178.40 : x
  2. Step 2: Convert to fraction form
    1,961,962.40/2,943,040.80 = 1,017,178.40/x
  3. Step 3: Cross multiply
    1,961,962.40x = 2,943,040.80 × 1,017,178.40
  4. Step 4: Simplify right side
    1,961,962.40x = 2,993,597,532,078.72
  5. Step 5: Solve for x
    x = 2,993,597,532,078.72/1,961,962.40
  6. Step 6: Final answer
    x = 1,525,817.99

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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.