Home / 1,427,647.04-1,970,208.08-783,094.40

Finding the Fourth Proportional to 1,427,647.04, 1,970,208.08 and 783,094.40

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Solution

The fourth proportional to 1,427,647.04, 1,970,208.08 and 783,094.40 is: 1,080,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,647.04 : 1,970,208.08 = 783,094.40 : x
  2. Step 2: Convert to fraction form
    1,427,647.04/1,970,208.08 = 783,094.40/x
  3. Step 3: Cross multiply
    1,427,647.04x = 1,970,208.08 × 783,094.40
  4. Step 4: Simplify right side
    1,427,647.04x = 1,542,858,914,282.75
  5. Step 5: Solve for x
    x = 1,542,858,914,282.75/1,427,647.04
  6. Step 6: Final answer
    x = 1,080,700.53

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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.