Home / 993,388.53-1,370,905.47-703,518.69

Finding the Fourth Proportional to 993,388.53, 1,370,905.47 and 703,518.69

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Solution

The fourth proportional to 993,388.53, 1,370,905.47 and 703,518.69 is: 970,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,388.53 : 1,370,905.47 = 703,518.69 : x
  2. Step 2: Convert to fraction form
    993,388.53/1,370,905.47 = 703,518.69/x
  3. Step 3: Cross multiply
    993,388.53x = 1,370,905.47 × 703,518.69
  4. Step 4: Simplify right side
    993,388.53x = 964,457,620,368.23
  5. Step 5: Solve for x
    x = 964,457,620,368.23/993,388.53
  6. Step 6: Final answer
    x = 970,876.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.