Home / 1,009,739.87-1,393,418.60-557,030.75

Finding the Fourth Proportional to 1,009,739.87, 1,393,418.60 and 557,030.75

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Solution

The fourth proportional to 1,009,739.87, 1,393,418.60 and 557,030.75 is: 768,690.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,739.87 : 1,393,418.60 = 557,030.75 : x
  2. Step 2: Convert to fraction form
    1,009,739.87/1,393,418.60 = 557,030.75/x
  3. Step 3: Cross multiply
    1,009,739.87x = 1,393,418.60 × 557,030.75
  4. Step 4: Simplify right side
    1,009,739.87x = 776,177,005,036.80
  5. Step 5: Solve for x
    x = 776,177,005,036.80/1,009,739.87
  6. Step 6: Final answer
    x = 768,690.06

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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.