Home / 1,539,354.25-2,124,374.52-860,290.75

Finding the Fourth Proportional to 1,539,354.25, 2,124,374.52 and 860,290.75

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Solution

The fourth proportional to 1,539,354.25, 2,124,374.52 and 860,290.75 is: 1,187,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,354.25 : 2,124,374.52 = 860,290.75 : x
  2. Step 2: Convert to fraction form
    1,539,354.25/2,124,374.52 = 860,290.75/x
  3. Step 3: Cross multiply
    1,539,354.25x = 2,124,374.52 × 860,290.75
  4. Step 4: Simplify right side
    1,539,354.25x = 1,827,579,749,091.69
  5. Step 5: Solve for x
    x = 1,827,579,749,091.69/1,539,354.25
  6. Step 6: Final answer
    x = 1,187,237.93

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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.