Home / 1,007,980.10-1,511,970.15-756,037.70

Finding the Fourth Proportional to 1,007,980.10, 1,511,970.15 and 756,037.70

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Solution

The fourth proportional to 1,007,980.10, 1,511,970.15 and 756,037.70 is: 1,134,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,980.10 : 1,511,970.15 = 756,037.70 : x
  2. Step 2: Convert to fraction form
    1,007,980.10/1,511,970.15 = 756,037.70/x
  3. Step 3: Cross multiply
    1,007,980.10x = 1,511,970.15 × 756,037.70
  4. Step 4: Simplify right side
    1,007,980.10x = 1,143,106,434,674.65
  5. Step 5: Solve for x
    x = 1,143,106,434,674.65/1,007,980.10
  6. Step 6: Final answer
    x = 1,134,056.55

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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.