Home / 849,958.60-1,276,838.70-709,990.60

Finding the Fourth Proportional to 849,958.60, 1,276,838.70 and 709,990.60

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Solution

The fourth proportional to 849,958.60, 1,276,838.70 and 709,990.60 is: 1,066,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,958.60 : 1,276,838.70 = 709,990.60 : x
  2. Step 2: Convert to fraction form
    849,958.60/1,276,838.70 = 709,990.60/x
  3. Step 3: Cross multiply
    849,958.60x = 1,276,838.70 × 709,990.60
  4. Step 4: Simplify right side
    849,958.60x = 906,543,474,716.22
  5. Step 5: Solve for x
    x = 906,543,474,716.22/849,958.60
  6. Step 6: Final answer
    x = 1,066,573.68

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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.