Home / 1,036,683.45-1,430,694.95-628,802.48

Finding the Fourth Proportional to 1,036,683.45, 1,430,694.95 and 628,802.48

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Solution

The fourth proportional to 1,036,683.45, 1,430,694.95 and 628,802.48 is: 867,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,683.45 : 1,430,694.95 = 628,802.48 : x
  2. Step 2: Convert to fraction form
    1,036,683.45/1,430,694.95 = 628,802.48/x
  3. Step 3: Cross multiply
    1,036,683.45x = 1,430,694.95 × 628,802.48
  4. Step 4: Simplify right side
    1,036,683.45x = 899,624,532,683.48
  5. Step 5: Solve for x
    x = 899,624,532,683.48/1,036,683.45
  6. Step 6: Final answer
    x = 867,790.97

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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.