Home / 992,043.07-1,368,514.74-648,080.34

Finding the Fourth Proportional to 992,043.07, 1,368,514.74 and 648,080.34

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Solution

The fourth proportional to 992,043.07, 1,368,514.74 and 648,080.34 is: 894,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,043.07 : 1,368,514.74 = 648,080.34 : x
  2. Step 2: Convert to fraction form
    992,043.07/1,368,514.74 = 648,080.34/x
  3. Step 3: Cross multiply
    992,043.07x = 1,368,514.74 × 648,080.34
  4. Step 4: Simplify right side
    992,043.07x = 886,907,497,994.21
  5. Step 5: Solve for x
    x = 886,907,497,994.21/992,043.07
  6. Step 6: Final answer
    x = 894,021.16

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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.