Home / 1,420,293.96-1,959,931.89-775,588.23

Finding the Fourth Proportional to 1,420,293.96, 1,959,931.89 and 775,588.23

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Solution

The fourth proportional to 1,420,293.96, 1,959,931.89 and 775,588.23 is: 1,070,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,293.96 : 1,959,931.89 = 775,588.23 : x
  2. Step 2: Convert to fraction form
    1,420,293.96/1,959,931.89 = 775,588.23/x
  3. Step 3: Cross multiply
    1,420,293.96x = 1,959,931.89 × 775,588.23
  4. Step 4: Simplify right side
    1,420,293.96x = 1,520,100,105,485.65
  5. Step 5: Solve for x
    x = 1,520,100,105,485.65/1,420,293.96
  6. Step 6: Final answer
    x = 1,070,271.47

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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.