Home / 1,072,307.52-1,479,860.64-709,100.64

Finding the Fourth Proportional to 1,072,307.52, 1,479,860.64 and 709,100.64

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Solution

The fourth proportional to 1,072,307.52, 1,479,860.64 and 709,100.64 is: 978,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,307.52 : 1,479,860.64 = 709,100.64 : x
  2. Step 2: Convert to fraction form
    1,072,307.52/1,479,860.64 = 709,100.64/x
  3. Step 3: Cross multiply
    1,072,307.52x = 1,479,860.64 × 709,100.64
  4. Step 4: Simplify right side
    1,072,307.52x = 1,049,370,126,934.81
  5. Step 5: Solve for x
    x = 1,049,370,126,934.81/1,072,307.52
  6. Step 6: Final answer
    x = 978,609.31

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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.