Home / 1,012,788.94-1,397,592.12-553,812.52

Finding the Fourth Proportional to 1,012,788.94, 1,397,592.12 and 553,812.52

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Solution

The fourth proportional to 1,012,788.94, 1,397,592.12 and 553,812.52 is: 764,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,788.94 : 1,397,592.12 = 553,812.52 : x
  2. Step 2: Convert to fraction form
    1,012,788.94/1,397,592.12 = 553,812.52/x
  3. Step 3: Cross multiply
    1,012,788.94x = 1,397,592.12 × 553,812.52
  4. Step 4: Simplify right side
    1,012,788.94x = 774,004,013,909.34
  5. Step 5: Solve for x
    x = 774,004,013,909.34/1,012,788.94
  6. Step 6: Final answer
    x = 764,230.32

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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.