Home / 1,109,313.36-1,531,785.60-702,133.52

Finding the Fourth Proportional to 1,109,313.36, 1,531,785.60 and 702,133.52

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Solution

The fourth proportional to 1,109,313.36, 1,531,785.60 and 702,133.52 is: 969,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,313.36 : 1,531,785.60 = 702,133.52 : x
  2. Step 2: Convert to fraction form
    1,109,313.36/1,531,785.60 = 702,133.52/x
  3. Step 3: Cross multiply
    1,109,313.36x = 1,531,785.60 × 702,133.52
  4. Step 4: Simplify right side
    1,109,313.36x = 1,075,518,007,554.38
  5. Step 5: Solve for x
    x = 1,075,518,007,554.38/1,109,313.36
  6. Step 6: Final answer
    x = 969,534.89

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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.