Home / 1,126,187.76-1,554,170.64-684,661.60

Finding the Fourth Proportional to 1,126,187.76, 1,554,170.64 and 684,661.60

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Solution

The fourth proportional to 1,126,187.76, 1,554,170.64 and 684,661.60 is: 944,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,187.76 : 1,554,170.64 = 684,661.60 : x
  2. Step 2: Convert to fraction form
    1,126,187.76/1,554,170.64 = 684,661.60/x
  3. Step 3: Cross multiply
    1,126,187.76x = 1,554,170.64 × 684,661.60
  4. Step 4: Simplify right side
    1,126,187.76x = 1,064,080,957,055.42
  5. Step 5: Solve for x
    x = 1,064,080,957,055.42/1,126,187.76
  6. Step 6: Final answer
    x = 944,852.18

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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.