Home / 674,413.14-1,011,596.18-168,978.40

Finding the Fourth Proportional to 674,413.14, 1,011,596.18 and 168,978.40

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Solution

The fourth proportional to 674,413.14, 1,011,596.18 and 168,978.40 is: 253,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,413.14 : 1,011,596.18 = 168,978.40 : x
  2. Step 2: Convert to fraction form
    674,413.14/1,011,596.18 = 168,978.40/x
  3. Step 3: Cross multiply
    674,413.14x = 1,011,596.18 × 168,978.40
  4. Step 4: Simplify right side
    674,413.14x = 170,937,903,520.07
  5. Step 5: Solve for x
    x = 170,937,903,520.07/674,413.14
  6. Step 6: Final answer
    x = 253,461.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.