Home / 1,355,334.94-1,870,387.14-743,518.90

Finding the Fourth Proportional to 1,355,334.94, 1,870,387.14 and 743,518.90

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Solution

The fourth proportional to 1,355,334.94, 1,870,387.14 and 743,518.90 is: 1,026,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,334.94 : 1,870,387.14 = 743,518.90 : x
  2. Step 2: Convert to fraction form
    1,355,334.94/1,870,387.14 = 743,518.90/x
  3. Step 3: Cross multiply
    1,355,334.94x = 1,870,387.14 × 743,518.90
  4. Step 4: Simplify right side
    1,355,334.94x = 1,390,668,188,906.95
  5. Step 5: Solve for x
    x = 1,390,668,188,906.95/1,355,334.94
  6. Step 6: Final answer
    x = 1,026,069.75

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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.