Home / 1,351,330.56-1,863,142.56-867,041.28

Finding the Fourth Proportional to 1,351,330.56, 1,863,142.56 and 867,041.28

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Solution

The fourth proportional to 1,351,330.56, 1,863,142.56 and 867,041.28 is: 1,195,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,330.56 : 1,863,142.56 = 867,041.28 : x
  2. Step 2: Convert to fraction form
    1,351,330.56/1,863,142.56 = 867,041.28/x
  3. Step 3: Cross multiply
    1,351,330.56x = 1,863,142.56 × 867,041.28
  4. Step 4: Simplify right side
    1,351,330.56x = 1,615,421,510,044.88
  5. Step 5: Solve for x
    x = 1,615,421,510,044.88/1,351,330.56
  6. Step 6: Final answer
    x = 1,195,430.31

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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.