Home / 1,117,914.30-1,674,903.15-917,147.70

Finding the Fourth Proportional to 1,117,914.30, 1,674,903.15 and 917,147.70

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Solution

The fourth proportional to 1,117,914.30, 1,674,903.15 and 917,147.70 is: 1,374,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,914.30 : 1,674,903.15 = 917,147.70 : x
  2. Step 2: Convert to fraction form
    1,117,914.30/1,674,903.15 = 917,147.70/x
  3. Step 3: Cross multiply
    1,117,914.30x = 1,674,903.15 × 917,147.70
  4. Step 4: Simplify right side
    1,117,914.30x = 1,536,133,571,745.26
  5. Step 5: Solve for x
    x = 1,536,133,571,745.26/1,117,914.30
  6. Step 6: Final answer
    x = 1,374,106.74

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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.