Home / 1,130,352.88-1,558,813.32-742,481.20

Finding the Fourth Proportional to 1,130,352.88, 1,558,813.32 and 742,481.20

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Solution

The fourth proportional to 1,130,352.88, 1,558,813.32 and 742,481.20 is: 1,023,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,352.88 : 1,558,813.32 = 742,481.20 : x
  2. Step 2: Convert to fraction form
    1,130,352.88/1,558,813.32 = 742,481.20/x
  3. Step 3: Cross multiply
    1,130,352.88x = 1,558,813.32 × 742,481.20
  4. Step 4: Simplify right side
    1,130,352.88x = 1,157,389,584,409.58
  5. Step 5: Solve for x
    x = 1,157,389,584,409.58/1,130,352.88
  6. Step 6: Final answer
    x = 1,023,918.82

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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.