Home / 1,014,162.12-1,399,490.44-555,188.73

Finding the Fourth Proportional to 1,014,162.12, 1,399,490.44 and 555,188.73

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Solution

The fourth proportional to 1,014,162.12, 1,399,490.44 and 555,188.73 is: 766,131.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,162.12 : 1,399,490.44 = 555,188.73 : x
  2. Step 2: Convert to fraction form
    1,014,162.12/1,399,490.44 = 555,188.73/x
  3. Step 3: Cross multiply
    1,014,162.12x = 1,399,490.44 × 555,188.73
  4. Step 4: Simplify right side
    1,014,162.12x = 776,981,320,030.74
  5. Step 5: Solve for x
    x = 776,981,320,030.74/1,014,162.12
  6. Step 6: Final answer
    x = 766,131.28

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Double scale
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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.