Home / 1,370,274.30-2,052,655.77-770,336.46

Finding the Fourth Proportional to 1,370,274.30, 2,052,655.77 and 770,336.46

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Solution

The fourth proportional to 1,370,274.30, 2,052,655.77 and 770,336.46 is: 1,153,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,274.30 : 2,052,655.77 = 770,336.46 : x
  2. Step 2: Convert to fraction form
    1,370,274.30/2,052,655.77 = 770,336.46/x
  3. Step 3: Cross multiply
    1,370,274.30x = 2,052,655.77 × 770,336.46
  4. Step 4: Simplify right side
    1,370,274.30x = 1,581,235,579,460.37
  5. Step 5: Solve for x
    x = 1,581,235,579,460.37/1,370,274.30
  6. Step 6: Final answer
    x = 1,153,955.51

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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.