Home / 1,118,242.52-1,543,239.48-842,106

Finding the Fourth Proportional to 1,118,242.52, 1,543,239.48 and 842,106

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Solution

The fourth proportional to 1,118,242.52, 1,543,239.48 and 842,106 is: 1,162,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,242.52 : 1,543,239.48 = 842,106 : x
  2. Step 2: Convert to fraction form
    1,118,242.52/1,543,239.48 = 842,106/x
  3. Step 3: Cross multiply
    1,118,242.52x = 1,543,239.48 × 842,106
  4. Step 4: Simplify right side
    1,118,242.52x = 1,299,571,225,544.88
  5. Step 5: Solve for x
    x = 1,299,571,225,544.88/1,118,242.52
  6. Step 6: Final answer
    x = 1,162,155.08

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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.