Home / 1,103,756.40-1,652,135.40-788,828.40

Finding the Fourth Proportional to 1,103,756.40, 1,652,135.40 and 788,828.40

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Solution

The fourth proportional to 1,103,756.40, 1,652,135.40 and 788,828.40 is: 1,180,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,756.40 : 1,652,135.40 = 788,828.40 : x
  2. Step 2: Convert to fraction form
    1,103,756.40/1,652,135.40 = 788,828.40/x
  3. Step 3: Cross multiply
    1,103,756.40x = 1,652,135.40 × 788,828.40
  4. Step 4: Simplify right side
    1,103,756.40x = 1,303,251,324,165.36
  5. Step 5: Solve for x
    x = 1,303,251,324,165.36/1,103,756.40
  6. Step 6: Final answer
    x = 1,180,741.81

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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.