Home / 1,008,916.26-1,392,313.95-556,223.46

Finding the Fourth Proportional to 1,008,916.26, 1,392,313.95 and 556,223.46

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Solution

The fourth proportional to 1,008,916.26, 1,392,313.95 and 556,223.46 is: 767,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,916.26 : 1,392,313.95 = 556,223.46 : x
  2. Step 2: Convert to fraction form
    1,008,916.26/1,392,313.95 = 556,223.46/x
  3. Step 3: Cross multiply
    1,008,916.26x = 1,392,313.95 × 556,223.46
  4. Step 4: Simplify right side
    1,008,916.26x = 774,437,682,675.27
  5. Step 5: Solve for x
    x = 774,437,682,675.27/1,008,916.26
  6. Step 6: Final answer
    x = 767,593.62

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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.