Home / 1,009,696.79-1,393,385.55-550,821.17

Finding the Fourth Proportional to 1,009,696.79, 1,393,385.55 and 550,821.17

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Solution

The fourth proportional to 1,009,696.79, 1,393,385.55 and 550,821.17 is: 760,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,696.79 : 1,393,385.55 = 550,821.17 : x
  2. Step 2: Convert to fraction form
    1,009,696.79/1,393,385.55 = 550,821.17/x
  3. Step 3: Cross multiply
    1,009,696.79x = 1,393,385.55 × 550,821.17
  4. Step 4: Simplify right side
    1,009,696.79x = 767,506,258,912.09
  5. Step 5: Solve for x
    x = 767,506,258,912.09/1,009,696.79
  6. Step 6: Final answer
    x = 760,135.39

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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.