Home / 1,384,743.84-2,077,191.36-438,044.16

Finding the Fourth Proportional to 1,384,743.84, 2,077,191.36 and 438,044.16

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Solution

The fourth proportional to 1,384,743.84, 2,077,191.36 and 438,044.16 is: 657,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,743.84 : 2,077,191.36 = 438,044.16 : x
  2. Step 2: Convert to fraction form
    1,384,743.84/2,077,191.36 = 438,044.16/x
  3. Step 3: Cross multiply
    1,384,743.84x = 2,077,191.36 × 438,044.16
  4. Step 4: Simplify right side
    1,384,743.84x = 909,901,544,450.46
  5. Step 5: Solve for x
    x = 909,901,544,450.46/1,384,743.84
  6. Step 6: Final answer
    x = 657,090.15

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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.