Home / 849,406.60-1,276,010.70-709,438.60

Finding the Fourth Proportional to 849,406.60, 1,276,010.70 and 709,438.60

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Solution

The fourth proportional to 849,406.60, 1,276,010.70 and 709,438.60 is: 1,065,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,406.60 : 1,276,010.70 = 709,438.60 : x
  2. Step 2: Convert to fraction form
    849,406.60/1,276,010.70 = 709,438.60/x
  3. Step 3: Cross multiply
    849,406.60x = 1,276,010.70 × 709,438.60
  4. Step 4: Simplify right side
    849,406.60x = 905,251,244,593.02
  5. Step 5: Solve for x
    x = 905,251,244,593.02/849,406.60
  6. Step 6: Final answer
    x = 1,065,745.48

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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.