Home / 1,018,408.76-1,405,427.55-559,551.96

Finding the Fourth Proportional to 1,018,408.76, 1,405,427.55 and 559,551.96

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Solution

The fourth proportional to 1,018,408.76, 1,405,427.55 and 559,551.96 is: 772,194.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,408.76 : 1,405,427.55 = 559,551.96 : x
  2. Step 2: Convert to fraction form
    1,018,408.76/1,405,427.55 = 559,551.96/x
  3. Step 3: Cross multiply
    1,018,408.76x = 1,405,427.55 × 559,551.96
  4. Step 4: Simplify right side
    1,018,408.76x = 786,409,740,240.50
  5. Step 5: Solve for x
    x = 786,409,740,240.50/1,018,408.76
  6. Step 6: Final answer
    x = 772,194.60

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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.