Home / 1,128,023.34-1,556,871.24-669,390.81

Finding the Fourth Proportional to 1,128,023.34, 1,556,871.24 and 669,390.81

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Solution

The fourth proportional to 1,128,023.34, 1,556,871.24 and 669,390.81 is: 923,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,023.34 : 1,556,871.24 = 669,390.81 : x
  2. Step 2: Convert to fraction form
    1,128,023.34/1,556,871.24 = 669,390.81/x
  3. Step 3: Cross multiply
    1,128,023.34x = 1,556,871.24 × 669,390.81
  4. Step 4: Simplify right side
    1,128,023.34x = 1,042,155,300,409.30
  5. Step 5: Solve for x
    x = 1,042,155,300,409.30/1,128,023.34
  6. Step 6: Final answer
    x = 923,877.43

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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.