Home / 1,114,810.40-1,671,243.60-758,669.60

Finding the Fourth Proportional to 1,114,810.40, 1,671,243.60 and 758,669.60

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Solution

The fourth proportional to 1,114,810.40, 1,671,243.60 and 758,669.60 is: 1,137,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,810.40 : 1,671,243.60 = 758,669.60 : x
  2. Step 2: Convert to fraction form
    1,114,810.40/1,671,243.60 = 758,669.60/x
  3. Step 3: Cross multiply
    1,114,810.40x = 1,671,243.60 × 758,669.60
  4. Step 4: Simplify right side
    1,114,810.40x = 1,267,921,713,514.56
  5. Step 5: Solve for x
    x = 1,267,921,713,514.56/1,114,810.40
  6. Step 6: Final answer
    x = 1,137,342.92

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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.