Home / 1,359,408.12-1,875,515.96-842,976.40

Finding the Fourth Proportional to 1,359,408.12, 1,875,515.96 and 842,976.40

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Solution

The fourth proportional to 1,359,408.12, 1,875,515.96 and 842,976.40 is: 1,163,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,408.12 : 1,875,515.96 = 842,976.40 : x
  2. Step 2: Convert to fraction form
    1,359,408.12/1,875,515.96 = 842,976.40/x
  3. Step 3: Cross multiply
    1,359,408.12x = 1,875,515.96 × 842,976.40
  4. Step 4: Simplify right side
    1,359,408.12x = 1,581,015,692,103.34
  5. Step 5: Solve for x
    x = 1,581,015,692,103.34/1,359,408.12
  6. Step 6: Final answer
    x = 1,163,017.69

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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.