Home / 1,008,842.76-1,392,212.34-556,149.96

Finding the Fourth Proportional to 1,008,842.76, 1,392,212.34 and 556,149.96

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Solution

The fourth proportional to 1,008,842.76, 1,392,212.34 and 556,149.96 is: 767,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,842.76 : 1,392,212.34 = 556,149.96 : x
  2. Step 2: Convert to fraction form
    1,008,842.76/1,392,212.34 = 556,149.96/x
  3. Step 3: Cross multiply
    1,008,842.76x = 1,392,212.34 × 556,149.96
  4. Step 4: Simplify right side
    1,008,842.76x = 774,278,837,202.51
  5. Step 5: Solve for x
    x = 774,278,837,202.51/1,008,842.76
  6. Step 6: Final answer
    x = 767,492.09

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1.5x scale

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.