Home / 1,049,485.21-1,574,222.45-409,853.90

Finding the Fourth Proportional to 1,049,485.21, 1,574,222.45 and 409,853.90

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Solution

The fourth proportional to 1,049,485.21, 1,574,222.45 and 409,853.90 is: 614,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,485.21 : 1,574,222.45 = 409,853.90 : x
  2. Step 2: Convert to fraction form
    1,049,485.21/1,574,222.45 = 409,853.90/x
  3. Step 3: Cross multiply
    1,049,485.21x = 1,574,222.45 × 409,853.90
  4. Step 4: Simplify right side
    1,049,485.21x = 645,201,208,058.84
  5. Step 5: Solve for x
    x = 645,201,208,058.84/1,049,485.21
  6. Step 6: Final answer
    x = 614,778.75

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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.