Home / 1,315,845.39-1,973,838.57-417,355.32

Finding the Fourth Proportional to 1,315,845.39, 1,973,838.57 and 417,355.32

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Solution

The fourth proportional to 1,315,845.39, 1,973,838.57 and 417,355.32 is: 626,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,845.39 : 1,973,838.57 = 417,355.32 : x
  2. Step 2: Convert to fraction form
    1,315,845.39/1,973,838.57 = 417,355.32/x
  3. Step 3: Cross multiply
    1,315,845.39x = 1,973,838.57 × 417,355.32
  4. Step 4: Simplify right side
    1,315,845.39x = 823,792,028,010.69
  5. Step 5: Solve for x
    x = 823,792,028,010.69/1,315,845.39
  6. Step 6: Final answer
    x = 626,055.34

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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.