Home / 873,790.40-1,310,685.60-789,809.60

Finding the Fourth Proportional to 873,790.40, 1,310,685.60 and 789,809.60

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Solution

The fourth proportional to 873,790.40, 1,310,685.60 and 789,809.60 is: 1,184,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,790.40 : 1,310,685.60 = 789,809.60 : x
  2. Step 2: Convert to fraction form
    873,790.40/1,310,685.60 = 789,809.60/x
  3. Step 3: Cross multiply
    873,790.40x = 1,310,685.60 × 789,809.60
  4. Step 4: Simplify right side
    873,790.40x = 1,035,192,069,461.76
  5. Step 5: Solve for x
    x = 1,035,192,069,461.76/873,790.40
  6. Step 6: Final answer
    x = 1,184,714.40

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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.