Home / 1,260,485.01-1,890,973.35-407,768.04

Finding the Fourth Proportional to 1,260,485.01, 1,890,973.35 and 407,768.04

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Solution

The fourth proportional to 1,260,485.01, 1,890,973.35 and 407,768.04 is: 611,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,485.01 : 1,890,973.35 = 407,768.04 : x
  2. Step 2: Convert to fraction form
    1,260,485.01/1,890,973.35 = 407,768.04/x
  3. Step 3: Cross multiply
    1,260,485.01x = 1,890,973.35 × 407,768.04
  4. Step 4: Simplify right side
    1,260,485.01x = 771,078,496,621.73
  5. Step 5: Solve for x
    x = 771,078,496,621.73/1,260,485.01
  6. Step 6: Final answer
    x = 611,731.59

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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.