Home / 1,105,781.60-1,658,672.40-545,909.60

Finding the Fourth Proportional to 1,105,781.60, 1,658,672.40 and 545,909.60

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Solution

The fourth proportional to 1,105,781.60, 1,658,672.40 and 545,909.60 is: 818,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,781.60 : 1,658,672.40 = 545,909.60 : x
  2. Step 2: Convert to fraction form
    1,105,781.60/1,658,672.40 = 545,909.60/x
  3. Step 3: Cross multiply
    1,105,781.60x = 1,658,672.40 × 545,909.60
  4. Step 4: Simplify right side
    1,105,781.60x = 905,485,186,415.04
  5. Step 5: Solve for x
    x = 905,485,186,415.04/1,105,781.60
  6. Step 6: Final answer
    x = 818,864.40

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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.