Home / 1,213,766.88-1,820,654.64-415,625.28

Finding the Fourth Proportional to 1,213,766.88, 1,820,654.64 and 415,625.28

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Solution

The fourth proportional to 1,213,766.88, 1,820,654.64 and 415,625.28 is: 623,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,766.88 : 1,820,654.64 = 415,625.28 : x
  2. Step 2: Convert to fraction form
    1,213,766.88/1,820,654.64 = 415,625.28/x
  3. Step 3: Cross multiply
    1,213,766.88x = 1,820,654.64 × 415,625.28
  4. Step 4: Simplify right side
    1,213,766.88x = 756,710,094,533.30
  5. Step 5: Solve for x
    x = 756,710,094,533.30/1,213,766.88
  6. Step 6: Final answer
    x = 623,439.40

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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.