Home / 1,009,696.80-1,393,385.56-550,821.14

Finding the Fourth Proportional to 1,009,696.80, 1,393,385.56 and 550,821.14

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Solution

The fourth proportional to 1,009,696.80, 1,393,385.56 and 550,821.14 is: 760,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,696.80 : 1,393,385.56 = 550,821.14 : x
  2. Step 2: Convert to fraction form
    1,009,696.80/1,393,385.56 = 550,821.14/x
  3. Step 3: Cross multiply
    1,009,696.80x = 1,393,385.56 × 550,821.14
  4. Step 4: Simplify right side
    1,009,696.80x = 767,506,222,618.74
  5. Step 5: Solve for x
    x = 767,506,222,618.74/1,009,696.80
  6. Step 6: Final answer
    x = 760,135.34

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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.