Home / 1,018,268.86-1,405,211.96-559,413.16

Finding the Fourth Proportional to 1,018,268.86, 1,405,211.96 and 559,413.16

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Solution

The fourth proportional to 1,018,268.86, 1,405,211.96 and 559,413.16 is: 771,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,268.86 : 1,405,211.96 = 559,413.16 : x
  2. Step 2: Convert to fraction form
    1,018,268.86/1,405,211.96 = 559,413.16/x
  3. Step 3: Cross multiply
    1,018,268.86x = 1,405,211.96 × 559,413.16
  4. Step 4: Simplify right side
    1,018,268.86x = 786,094,063,013.39
  5. Step 5: Solve for x
    x = 786,094,063,013.39/1,018,268.86
  6. Step 6: Final answer
    x = 771,990.67

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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.