Home / 1,400,716.06-2,101,730.19-690,356.86

Finding the Fourth Proportional to 1,400,716.06, 2,101,730.19 and 690,356.86

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Solution

The fourth proportional to 1,400,716.06, 2,101,730.19 and 690,356.86 is: 1,035,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,716.06 : 2,101,730.19 = 690,356.86 : x
  2. Step 2: Convert to fraction form
    1,400,716.06/2,101,730.19 = 690,356.86/x
  3. Step 3: Cross multiply
    1,400,716.06x = 2,101,730.19 × 690,356.86
  4. Step 4: Simplify right side
    1,400,716.06x = 1,450,943,854,535.60
  5. Step 5: Solve for x
    x = 1,450,943,854,535.60/1,400,716.06
  6. Step 6: Final answer
    x = 1,035,858.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.