Home / 1,226,783.72-1,692,842.79-904,667.24

Finding the Fourth Proportional to 1,226,783.72, 1,692,842.79 and 904,667.24

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Solution

The fourth proportional to 1,226,783.72, 1,692,842.79 and 904,667.24 is: 1,248,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,783.72 : 1,692,842.79 = 904,667.24 : x
  2. Step 2: Convert to fraction form
    1,226,783.72/1,692,842.79 = 904,667.24/x
  3. Step 3: Cross multiply
    1,226,783.72x = 1,692,842.79 × 904,667.24
  4. Step 4: Simplify right side
    1,226,783.72x = 1,531,459,414,583.20
  5. Step 5: Solve for x
    x = 1,531,459,414,583.20/1,226,783.72
  6. Step 6: Final answer
    x = 1,248,353.23

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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.