Home / 942,346.83-1,297,155.58-821,279.98

Finding the Fourth Proportional to 942,346.83, 1,297,155.58 and 821,279.98

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Solution

The fourth proportional to 942,346.83, 1,297,155.58 and 821,279.98 is: 1,130,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,346.83 : 1,297,155.58 = 821,279.98 : x
  2. Step 2: Convert to fraction form
    942,346.83/1,297,155.58 = 821,279.98/x
  3. Step 3: Cross multiply
    942,346.83x = 1,297,155.58 × 821,279.98
  4. Step 4: Simplify right side
    942,346.83x = 1,065,327,905,935.37
  5. Step 5: Solve for x
    x = 1,065,327,905,935.37/942,346.83
  6. Step 6: Final answer
    x = 1,130,505.11

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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.