Home / 1,036,864.96-1,421,541.68-1,017,969.28

Finding the Fourth Proportional to 1,036,864.96, 1,421,541.68 and 1,017,969.28

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Solution

The fourth proportional to 1,036,864.96, 1,421,541.68 and 1,017,969.28 is: 1,395,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,864.96 : 1,421,541.68 = 1,017,969.28 : x
  2. Step 2: Convert to fraction form
    1,036,864.96/1,421,541.68 = 1,017,969.28/x
  3. Step 3: Cross multiply
    1,036,864.96x = 1,421,541.68 × 1,017,969.28
  4. Step 4: Simplify right side
    1,036,864.96x = 1,447,085,760,479.59
  5. Step 5: Solve for x
    x = 1,447,085,760,479.59/1,036,864.96
  6. Step 6: Final answer
    x = 1,395,635.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.