Home / 1,018,772.66-1,405,913.01-637,022.90

Finding the Fourth Proportional to 1,018,772.66, 1,405,913.01 and 637,022.90

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Solution

The fourth proportional to 1,018,772.66, 1,405,913.01 and 637,022.90 is: 879,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,772.66 : 1,405,913.01 = 637,022.90 : x
  2. Step 2: Convert to fraction form
    1,018,772.66/1,405,913.01 = 637,022.90/x
  3. Step 3: Cross multiply
    1,018,772.66x = 1,405,913.01 × 637,022.90
  4. Step 4: Simplify right side
    1,018,772.66x = 895,598,782,777.93
  5. Step 5: Solve for x
    x = 895,598,782,777.93/1,018,772.66
  6. Step 6: Final answer
    x = 879,095.82

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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.