Home / 1,111,946.18-1,534,512.33-628,513.18

Finding the Fourth Proportional to 1,111,946.18, 1,534,512.33 and 628,513.18

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Solution

The fourth proportional to 1,111,946.18, 1,534,512.33 and 628,513.18 is: 867,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,946.18 : 1,534,512.33 = 628,513.18 : x
  2. Step 2: Convert to fraction form
    1,111,946.18/1,534,512.33 = 628,513.18/x
  3. Step 3: Cross multiply
    1,111,946.18x = 1,534,512.33 × 628,513.18
  4. Step 4: Simplify right side
    1,111,946.18x = 964,461,220,441.23
  5. Step 5: Solve for x
    x = 964,461,220,441.23/1,111,946.18
  6. Step 6: Final answer
    x = 867,363.23

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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.