Home / 1,208,535.80-1,812,804.16-309,977.56

Finding the Fourth Proportional to 1,208,535.80, 1,812,804.16 and 309,977.56

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Solution

The fourth proportional to 1,208,535.80, 1,812,804.16 and 309,977.56 is: 464,966.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,535.80 : 1,812,804.16 = 309,977.56 : x
  2. Step 2: Convert to fraction form
    1,208,535.80/1,812,804.16 = 309,977.56/x
  3. Step 3: Cross multiply
    1,208,535.80x = 1,812,804.16 × 309,977.56
  4. Step 4: Simplify right side
    1,208,535.80x = 561,928,610,274.65
  5. Step 5: Solve for x
    x = 561,928,610,274.65/1,208,535.80
  6. Step 6: Final answer
    x = 464,966.46

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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.