Home / 1,154,808.60-1,731,291.30-489,413.40

Finding the Fourth Proportional to 1,154,808.60, 1,731,291.30 and 489,413.40

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Solution

The fourth proportional to 1,154,808.60, 1,731,291.30 and 489,413.40 is: 733,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,808.60 : 1,731,291.30 = 489,413.40 : x
  2. Step 2: Convert to fraction form
    1,154,808.60/1,731,291.30 = 489,413.40/x
  3. Step 3: Cross multiply
    1,154,808.60x = 1,731,291.30 × 489,413.40
  4. Step 4: Simplify right side
    1,154,808.60x = 847,317,161,523.42
  5. Step 5: Solve for x
    x = 847,317,161,523.42/1,154,808.60
  6. Step 6: Final answer
    x = 733,729.52

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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.