Home / 1,425,040.83-1,966,503.42-780,466.32

Finding the Fourth Proportional to 1,425,040.83, 1,966,503.42 and 780,466.32

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Solution

The fourth proportional to 1,425,040.83, 1,966,503.42 and 780,466.32 is: 1,077,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,040.83 : 1,966,503.42 = 780,466.32 : x
  2. Step 2: Convert to fraction form
    1,425,040.83/1,966,503.42 = 780,466.32/x
  3. Step 3: Cross multiply
    1,425,040.83x = 1,966,503.42 × 780,466.32
  4. Step 4: Simplify right side
    1,425,040.83x = 1,534,789,687,474.81
  5. Step 5: Solve for x
    x = 1,534,789,687,474.81/1,425,040.83
  6. Step 6: Final answer
    x = 1,077,014.54

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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.