Home / 1,395,308.12-1,925,293.58-822,270.52

Finding the Fourth Proportional to 1,395,308.12, 1,925,293.58 and 822,270.52

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Solution

The fourth proportional to 1,395,308.12, 1,925,293.58 and 822,270.52 is: 1,134,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,308.12 : 1,925,293.58 = 822,270.52 : x
  2. Step 2: Convert to fraction form
    1,395,308.12/1,925,293.58 = 822,270.52/x
  3. Step 3: Cross multiply
    1,395,308.12x = 1,925,293.58 × 822,270.52
  4. Step 4: Simplify right side
    1,395,308.12x = 1,583,112,153,179.26
  5. Step 5: Solve for x
    x = 1,583,112,153,179.26/1,395,308.12
  6. Step 6: Final answer
    x = 1,134,596.82

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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.