Home / 1,100,434.75-1,518,580.63-616,998.40

Finding the Fourth Proportional to 1,100,434.75, 1,518,580.63 and 616,998.40

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Solution

The fourth proportional to 1,100,434.75, 1,518,580.63 and 616,998.40 is: 851,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,434.75 : 1,518,580.63 = 616,998.40 : x
  2. Step 2: Convert to fraction form
    1,100,434.75/1,518,580.63 = 616,998.40/x
  3. Step 3: Cross multiply
    1,100,434.75x = 1,518,580.63 × 616,998.40
  4. Step 4: Simplify right side
    1,100,434.75x = 936,961,818,980.99
  5. Step 5: Solve for x
    x = 936,961,818,980.99/1,100,434.75
  6. Step 6: Final answer
    x = 851,446.96

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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.