Home / 864,007.20-1,294,455.60-705,376.80

Finding the Fourth Proportional to 864,007.20, 1,294,455.60 and 705,376.80

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Solution

The fourth proportional to 864,007.20, 1,294,455.60 and 705,376.80 is: 1,056,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,007.20 : 1,294,455.60 = 705,376.80 : x
  2. Step 2: Convert to fraction form
    864,007.20/1,294,455.60 = 705,376.80/x
  3. Step 3: Cross multiply
    864,007.20x = 1,294,455.60 × 705,376.80
  4. Step 4: Simplify right side
    864,007.20x = 913,078,948,870.08
  5. Step 5: Solve for x
    x = 913,078,948,870.08/864,007.20
  6. Step 6: Final answer
    x = 1,056,795.53

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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.