Home / 1,539,273.52-2,124,205.32-860,221.36

Finding the Fourth Proportional to 1,539,273.52, 2,124,205.32 and 860,221.36

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Solution

The fourth proportional to 1,539,273.52, 2,124,205.32 and 860,221.36 is: 1,187,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,273.52 : 2,124,205.32 = 860,221.36 : x
  2. Step 2: Convert to fraction form
    1,539,273.52/2,124,205.32 = 860,221.36/x
  3. Step 3: Cross multiply
    1,539,273.52x = 2,124,205.32 × 860,221.36
  4. Step 4: Simplify right side
    1,539,273.52x = 1,827,286,789,289.64
  5. Step 5: Solve for x
    x = 1,827,286,789,289.64/1,539,273.52
  6. Step 6: Final answer
    x = 1,187,109.87

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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.