Home / 949,509.41-1,310,206.79-756,409.01

Finding the Fourth Proportional to 949,509.41, 1,310,206.79 and 756,409.01

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Solution

The fourth proportional to 949,509.41, 1,310,206.79 and 756,409.01 is: 1,043,751.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,509.41 : 1,310,206.79 = 756,409.01 : x
  2. Step 2: Convert to fraction form
    949,509.41/1,310,206.79 = 756,409.01/x
  3. Step 3: Cross multiply
    949,509.41x = 1,310,206.79 × 756,409.01
  4. Step 4: Simplify right side
    949,509.41x = 991,052,216,259.17
  5. Step 5: Solve for x
    x = 991,052,216,259.17/949,509.41
  6. Step 6: Final answer
    x = 1,043,751.87

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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.