Home / 1,438,004.07-1,984,091.76-879,057.36

Finding the Fourth Proportional to 1,438,004.07, 1,984,091.76 and 879,057.36

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Solution

The fourth proportional to 1,438,004.07, 1,984,091.76 and 879,057.36 is: 1,212,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,004.07 : 1,984,091.76 = 879,057.36 : x
  2. Step 2: Convert to fraction form
    1,438,004.07/1,984,091.76 = 879,057.36/x
  3. Step 3: Cross multiply
    1,438,004.07x = 1,984,091.76 × 879,057.36
  4. Step 4: Simplify right side
    1,438,004.07x = 1,744,130,464,543.35
  5. Step 5: Solve for x
    x = 1,744,130,464,543.35/1,438,004.07
  6. Step 6: Final answer
    x = 1,212,882.84

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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.