Home / 1,379,552.40-1,903,844.52-775,940.40

Finding the Fourth Proportional to 1,379,552.40, 1,903,844.52 and 775,940.40

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Solution

The fourth proportional to 1,379,552.40, 1,903,844.52 and 775,940.40 is: 1,070,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,552.40 : 1,903,844.52 = 775,940.40 : x
  2. Step 2: Convert to fraction form
    1,379,552.40/1,903,844.52 = 775,940.40/x
  3. Step 3: Cross multiply
    1,379,552.40x = 1,903,844.52 × 775,940.40
  4. Step 4: Simplify right side
    1,379,552.40x = 1,477,269,878,386.61
  5. Step 5: Solve for x
    x = 1,477,269,878,386.61/1,379,552.40
  6. Step 6: Final answer
    x = 1,070,832.74

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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.