Home / 1,815,642-2,722,675.20-617,242.32

Finding the Fourth Proportional to 1,815,642, 2,722,675.20 and 617,242.32

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Solution

The fourth proportional to 1,815,642, 2,722,675.20 and 617,242.32 is: 925,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,642 : 2,722,675.20 = 617,242.32 : x
  2. Step 2: Convert to fraction form
    1,815,642/2,722,675.20 = 617,242.32/x
  3. Step 3: Cross multiply
    1,815,642x = 2,722,675.20 × 617,242.32
  4. Step 4: Simplify right side
    1,815,642x = 1,680,550,357,054.46
  5. Step 5: Solve for x
    x = 1,680,550,357,054.46/1,815,642
  6. Step 6: Final answer
    x = 925,595.66

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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.