Home / 1,016,988.94-1,403,342.52-609,080.33

Finding the Fourth Proportional to 1,016,988.94, 1,403,342.52 and 609,080.33

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Solution

The fourth proportional to 1,016,988.94, 1,403,342.52 and 609,080.33 is: 840,469.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,988.94 : 1,403,342.52 = 609,080.33 : x
  2. Step 2: Convert to fraction form
    1,016,988.94/1,403,342.52 = 609,080.33/x
  3. Step 3: Cross multiply
    1,016,988.94x = 1,403,342.52 × 609,080.33
  4. Step 4: Simplify right side
    1,016,988.94x = 854,748,323,430.45
  5. Step 5: Solve for x
    x = 854,748,323,430.45/1,016,988.94
  6. Step 6: Final answer
    x = 840,469.64

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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.