Home / 1,382,804.52-1,908,263.36-802,145.08

Finding the Fourth Proportional to 1,382,804.52, 1,908,263.36 and 802,145.08

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Solution

The fourth proportional to 1,382,804.52, 1,908,263.36 and 802,145.08 is: 1,106,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,804.52 : 1,908,263.36 = 802,145.08 : x
  2. Step 2: Convert to fraction form
    1,382,804.52/1,908,263.36 = 802,145.08/x
  3. Step 3: Cross multiply
    1,382,804.52x = 1,908,263.36 × 802,145.08
  4. Step 4: Simplify right side
    1,382,804.52x = 1,530,704,065,568.27
  5. Step 5: Solve for x
    x = 1,530,704,065,568.27/1,382,804.52
  6. Step 6: Final answer
    x = 1,106,956.22

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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.