Home / 1,515,267.28-2,091,855.04-1,106,910.64

Finding the Fourth Proportional to 1,515,267.28, 2,091,855.04 and 1,106,910.64

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Solution

The fourth proportional to 1,515,267.28, 2,091,855.04 and 1,106,910.64 is: 1,528,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,267.28 : 2,091,855.04 = 1,106,910.64 : x
  2. Step 2: Convert to fraction form
    1,515,267.28/2,091,855.04 = 1,106,910.64/x
  3. Step 3: Cross multiply
    1,515,267.28x = 2,091,855.04 × 1,106,910.64
  4. Step 4: Simplify right side
    1,515,267.28x = 2,315,496,601,113.63
  5. Step 5: Solve for x
    x = 2,315,496,601,113.63/1,515,267.28
  6. Step 6: Final answer
    x = 1,528,111.00

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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.