Home / 1,103,667.64-1,523,477.54-644,931.32

Finding the Fourth Proportional to 1,103,667.64, 1,523,477.54 and 644,931.32

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Solution

The fourth proportional to 1,103,667.64, 1,523,477.54 and 644,931.32 is: 890,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,667.64 : 1,523,477.54 = 644,931.32 : x
  2. Step 2: Convert to fraction form
    1,103,667.64/1,523,477.54 = 644,931.32/x
  3. Step 3: Cross multiply
    1,103,667.64x = 1,523,477.54 × 644,931.32
  4. Step 4: Simplify right side
    1,103,667.64x = 982,538,374,857.49
  5. Step 5: Solve for x
    x = 982,538,374,857.49/1,103,667.64
  6. Step 6: Final answer
    x = 890,248.42

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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.