Home / 1,534,394.31-2,117,464.29-855,330.81

Finding the Fourth Proportional to 1,534,394.31, 2,117,464.29 and 855,330.81

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Solution

The fourth proportional to 1,534,394.31, 2,117,464.29 and 855,330.81 is: 1,180,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,394.31 : 2,117,464.29 = 855,330.81 : x
  2. Step 2: Convert to fraction form
    1,534,394.31/2,117,464.29 = 855,330.81/x
  3. Step 3: Cross multiply
    1,534,394.31x = 2,117,464.29 × 855,330.81
  4. Step 4: Simplify right side
    1,534,394.31x = 1,811,132,446,311.78
  5. Step 5: Solve for x
    x = 1,811,132,446,311.78/1,534,394.31
  6. Step 6: Final answer
    x = 1,180,356.60

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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.