Home / 1,240,890.46-1,857,830.01-1,011,828.22

Finding the Fourth Proportional to 1,240,890.46, 1,857,830.01 and 1,011,828.22

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Solution

The fourth proportional to 1,240,890.46, 1,857,830.01 and 1,011,828.22 is: 1,514,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,890.46 : 1,857,830.01 = 1,011,828.22 : x
  2. Step 2: Convert to fraction form
    1,240,890.46/1,857,830.01 = 1,011,828.22/x
  3. Step 3: Cross multiply
    1,240,890.46x = 1,857,830.01 × 1,011,828.22
  4. Step 4: Simplify right side
    1,240,890.46x = 1,879,804,832,080.88
  5. Step 5: Solve for x
    x = 1,879,804,832,080.88/1,240,890.46
  6. Step 6: Final answer
    x = 1,514,883.78

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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.