Home / 1,426,509.88-2,140,692.36-617,684.16

Finding the Fourth Proportional to 1,426,509.88, 2,140,692.36 and 617,684.16

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Solution

The fourth proportional to 1,426,509.88, 2,140,692.36 and 617,684.16 is: 926,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,509.88 : 2,140,692.36 = 617,684.16 : x
  2. Step 2: Convert to fraction form
    1,426,509.88/2,140,692.36 = 617,684.16/x
  3. Step 3: Cross multiply
    1,426,509.88x = 2,140,692.36 × 617,684.16
  4. Step 4: Simplify right side
    1,426,509.88x = 1,322,271,762,205.02
  5. Step 5: Solve for x
    x = 1,322,271,762,205.02/1,426,509.88
  6. Step 6: Final answer
    x = 926,927.87

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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.