Home / 671,667.40-1,008,051.90-666,418.60

Finding the Fourth Proportional to 671,667.40, 1,008,051.90 and 666,418.60

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Solution

The fourth proportional to 671,667.40, 1,008,051.90 and 666,418.60 is: 1,000,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,667.40 : 1,008,051.90 = 666,418.60 : x
  2. Step 2: Convert to fraction form
    671,667.40/1,008,051.90 = 666,418.60/x
  3. Step 3: Cross multiply
    671,667.40x = 1,008,051.90 × 666,418.60
  4. Step 4: Simplify right side
    671,667.40x = 671,784,535,925.34
  5. Step 5: Solve for x
    x = 671,784,535,925.34/671,667.40
  6. Step 6: Final answer
    x = 1,000,174.40

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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.