Home / 878,846.40-1,318,269.60-668,894.40

Finding the Fourth Proportional to 878,846.40, 1,318,269.60 and 668,894.40

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Solution

The fourth proportional to 878,846.40, 1,318,269.60 and 668,894.40 is: 1,003,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,846.40 : 1,318,269.60 = 668,894.40 : x
  2. Step 2: Convert to fraction form
    878,846.40/1,318,269.60 = 668,894.40/x
  3. Step 3: Cross multiply
    878,846.40x = 1,318,269.60 × 668,894.40
  4. Step 4: Simplify right side
    878,846.40x = 881,783,153,130.24
  5. Step 5: Solve for x
    x = 881,783,153,130.24/878,846.40
  6. Step 6: Final answer
    x = 1,003,341.60

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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.