Home / 1,643,127.79-2,464,692.72-1,074,986.20

Finding the Fourth Proportional to 1,643,127.79, 2,464,692.72 and 1,074,986.20

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Solution

The fourth proportional to 1,643,127.79, 2,464,692.72 and 1,074,986.20 is: 1,612,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,127.79 : 2,464,692.72 = 1,074,986.20 : x
  2. Step 2: Convert to fraction form
    1,643,127.79/2,464,692.72 = 1,074,986.20/x
  3. Step 3: Cross multiply
    1,643,127.79x = 2,464,692.72 × 1,074,986.20
  4. Step 4: Simplify right side
    1,643,127.79x = 2,649,510,661,240.46
  5. Step 5: Solve for x
    x = 2,649,510,661,240.46/1,643,127.79
  6. Step 6: Final answer
    x = 1,612,479.98

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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.