Home / 1,009,739.37-1,393,417.91-557,030.25

Finding the Fourth Proportional to 1,009,739.37, 1,393,417.91 and 557,030.25

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Solution

The fourth proportional to 1,009,739.37, 1,393,417.91 and 557,030.25 is: 768,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,739.37 : 1,393,417.91 = 557,030.25 : x
  2. Step 2: Convert to fraction form
    1,009,739.37/1,393,417.91 = 557,030.25/x
  3. Step 3: Cross multiply
    1,009,739.37x = 1,393,417.91 × 557,030.25
  4. Step 4: Simplify right side
    1,009,739.37x = 776,175,923,976.63
  5. Step 5: Solve for x
    x = 776,175,923,976.63/1,009,739.37
  6. Step 6: Final answer
    x = 768,689.37

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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.