Home / 1,686,075.04-2,529,942.86-787,386.32

Finding the Fourth Proportional to 1,686,075.04, 2,529,942.86 and 787,386.32

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Solution

The fourth proportional to 1,686,075.04, 2,529,942.86 and 787,386.32 is: 1,181,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,075.04 : 2,529,942.86 = 787,386.32 : x
  2. Step 2: Convert to fraction form
    1,686,075.04/2,529,942.86 = 787,386.32/x
  3. Step 3: Cross multiply
    1,686,075.04x = 2,529,942.86 × 787,386.32
  4. Step 4: Simplify right side
    1,686,075.04x = 1,992,042,397,151.71
  5. Step 5: Solve for x
    x = 1,992,042,397,151.71/1,686,075.04
  6. Step 6: Final answer
    x = 1,181,467.22

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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.