Home / 1,210,236.29-1,670,130.02-658,958.51

Finding the Fourth Proportional to 1,210,236.29, 1,670,130.02 and 658,958.51

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Solution

The fourth proportional to 1,210,236.29, 1,670,130.02 and 658,958.51 is: 909,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,236.29 : 1,670,130.02 = 658,958.51 : x
  2. Step 2: Convert to fraction form
    1,210,236.29/1,670,130.02 = 658,958.51/x
  3. Step 3: Cross multiply
    1,210,236.29x = 1,670,130.02 × 658,958.51
  4. Step 4: Simplify right side
    1,210,236.29x = 1,100,546,395,308.19
  5. Step 5: Solve for x
    x = 1,100,546,395,308.19/1,210,236.29
  6. Step 6: Final answer
    x = 909,364.90

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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.