Home / 1,534,548.11-2,117,867.31-881,378.69

Finding the Fourth Proportional to 1,534,548.11, 2,117,867.31 and 881,378.69

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Solution

The fourth proportional to 1,534,548.11, 2,117,867.31 and 881,378.69 is: 1,216,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,548.11 : 2,117,867.31 = 881,378.69 : x
  2. Step 2: Convert to fraction form
    1,534,548.11/2,117,867.31 = 881,378.69/x
  3. Step 3: Cross multiply
    1,534,548.11x = 2,117,867.31 × 881,378.69
  4. Step 4: Simplify right side
    1,534,548.11x = 1,866,643,104,692.29
  5. Step 5: Solve for x
    x = 1,866,643,104,692.29/1,534,548.11
  6. Step 6: Final answer
    x = 1,216,412.24

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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.