Home / 1,009,048.80-1,392,480.48-556,339.80

Finding the Fourth Proportional to 1,009,048.80, 1,392,480.48 and 556,339.80

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Solution

The fourth proportional to 1,009,048.80, 1,392,480.48 and 556,339.80 is: 767,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,048.80 : 1,392,480.48 = 556,339.80 : x
  2. Step 2: Convert to fraction form
    1,009,048.80/1,392,480.48 = 556,339.80/x
  3. Step 3: Cross multiply
    1,009,048.80x = 1,392,480.48 × 556,339.80
  4. Step 4: Simplify right side
    1,009,048.80x = 774,692,311,747.10
  5. Step 5: Solve for x
    x = 774,692,311,747.10/1,009,048.80
  6. Step 6: Final answer
    x = 767,745.14

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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.