Home / 1,400,698.56-2,101,703.94-690,339.36

Finding the Fourth Proportional to 1,400,698.56, 2,101,703.94 and 690,339.36

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Solution

The fourth proportional to 1,400,698.56, 2,101,703.94 and 690,339.36 is: 1,035,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,698.56 : 2,101,703.94 = 690,339.36 : x
  2. Step 2: Convert to fraction form
    1,400,698.56/2,101,703.94 = 690,339.36/x
  3. Step 3: Cross multiply
    1,400,698.56x = 2,101,703.94 × 690,339.36
  4. Step 4: Simplify right side
    1,400,698.56x = 1,450,888,952,849.08
  5. Step 5: Solve for x
    x = 1,450,888,952,849.08/1,400,698.56
  6. Step 6: Final answer
    x = 1,035,832.40

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