Home / 1,286,406.34-1,775,300.02-713,412.34

Finding the Fourth Proportional to 1,286,406.34, 1,775,300.02 and 713,412.34

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Solution

The fourth proportional to 1,286,406.34, 1,775,300.02 and 713,412.34 is: 984,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,406.34 : 1,775,300.02 = 713,412.34 : x
  2. Step 2: Convert to fraction form
    1,286,406.34/1,775,300.02 = 713,412.34/x
  3. Step 3: Cross multiply
    1,286,406.34x = 1,775,300.02 × 713,412.34
  4. Step 4: Simplify right side
    1,286,406.34x = 1,266,520,941,470.25
  5. Step 5: Solve for x
    x = 1,266,520,941,470.25/1,286,406.34
  6. Step 6: Final answer
    x = 984,541.90

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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.