Home / 1,669,036.32-2,303,271.36-905,089.68

Finding the Fourth Proportional to 1,669,036.32, 2,303,271.36 and 905,089.68

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Solution

The fourth proportional to 1,669,036.32, 2,303,271.36 and 905,089.68 is: 1,249,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,036.32 : 2,303,271.36 = 905,089.68 : x
  2. Step 2: Convert to fraction form
    1,669,036.32/2,303,271.36 = 905,089.68/x
  3. Step 3: Cross multiply
    1,669,036.32x = 2,303,271.36 × 905,089.68
  4. Step 4: Simplify right side
    1,669,036.32x = 2,084,667,138,175.56
  5. Step 5: Solve for x
    x = 2,084,667,138,175.56/1,669,036.32
  6. Step 6: Final answer
    x = 1,249,024.43

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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.