Home / 1,421,053.40-2,133,912.90-949,827.80

Finding the Fourth Proportional to 1,421,053.40, 2,133,912.90 and 949,827.80

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Solution

The fourth proportional to 1,421,053.40, 2,133,912.90 and 949,827.80 is: 1,426,300.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,053.40 : 2,133,912.90 = 949,827.80 : x
  2. Step 2: Convert to fraction form
    1,421,053.40/2,133,912.90 = 949,827.80/x
  3. Step 3: Cross multiply
    1,421,053.40x = 2,133,912.90 × 949,827.80
  4. Step 4: Simplify right side
    1,421,053.40x = 2,026,849,795,198.62
  5. Step 5: Solve for x
    x = 2,026,849,795,198.62/1,421,053.40
  6. Step 6: Final answer
    x = 1,426,300.94

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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.