Home / 671,654.15-1,008,032.03-666,405.35

Finding the Fourth Proportional to 671,654.15, 1,008,032.03 and 666,405.35

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Solution

The fourth proportional to 671,654.15, 1,008,032.03 and 666,405.35 is: 1,000,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,654.15 : 1,008,032.03 = 666,405.35 : x
  2. Step 2: Convert to fraction form
    671,654.15/1,008,032.03 = 666,405.35/x
  3. Step 3: Cross multiply
    671,654.15x = 1,008,032.03 × 666,405.35
  4. Step 4: Simplify right side
    671,654.15x = 671,757,937,763.36
  5. Step 5: Solve for x
    x = 671,757,937,763.36/671,654.15
  6. Step 6: Final answer
    x = 1,000,154.53

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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.