Home / 1,055,515.50-1,582,673.40-415,472.34

Finding the Fourth Proportional to 1,055,515.50, 1,582,673.40 and 415,472.34

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Solution

The fourth proportional to 1,055,515.50, 1,582,673.40 and 415,472.34 is: 622,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,515.50 : 1,582,673.40 = 415,472.34 : x
  2. Step 2: Convert to fraction form
    1,055,515.50/1,582,673.40 = 415,472.34/x
  3. Step 3: Cross multiply
    1,055,515.50x = 1,582,673.40 × 415,472.34
  4. Step 4: Simplify right side
    1,055,515.50x = 657,557,020,953.76
  5. Step 5: Solve for x
    x = 657,557,020,953.76/1,055,515.50
  6. Step 6: Final answer
    x = 622,972.40

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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.