Home / 1,126,149.60-1,554,078.72-609,891.60

Finding the Fourth Proportional to 1,126,149.60, 1,554,078.72 and 609,891.60

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Solution

The fourth proportional to 1,126,149.60, 1,554,078.72 and 609,891.60 is: 841,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,149.60 : 1,554,078.72 = 609,891.60 : x
  2. Step 2: Convert to fraction form
    1,126,149.60/1,554,078.72 = 609,891.60/x
  3. Step 3: Cross multiply
    1,126,149.60x = 1,554,078.72 × 609,891.60
  4. Step 4: Simplify right side
    1,126,149.60x = 947,819,557,066.75
  5. Step 5: Solve for x
    x = 947,819,557,066.75/1,126,149.60
  6. Step 6: Final answer
    x = 841,646.22

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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.