Home / 1,277,370.12-1,916,055.06-716,448.36

Finding the Fourth Proportional to 1,277,370.12, 1,916,055.06 and 716,448.36

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Solution

The fourth proportional to 1,277,370.12, 1,916,055.06 and 716,448.36 is: 1,074,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,370.12 : 1,916,055.06 = 716,448.36 : x
  2. Step 2: Convert to fraction form
    1,277,370.12/1,916,055.06 = 716,448.36/x
  3. Step 3: Cross multiply
    1,277,370.12x = 1,916,055.06 × 716,448.36
  4. Step 4: Simplify right side
    1,277,370.12x = 1,372,754,505,406.70
  5. Step 5: Solve for x
    x = 1,372,754,505,406.70/1,277,370.12
  6. Step 6: Final answer
    x = 1,074,672.47

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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.