Home / 1,539,540-2,124,630.81-860,476.50

Finding the Fourth Proportional to 1,539,540, 2,124,630.81 and 860,476.50

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Solution

The fourth proportional to 1,539,540, 2,124,630.81 and 860,476.50 is: 1,187,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,540 : 2,124,630.81 = 860,476.50 : x
  2. Step 2: Convert to fraction form
    1,539,540/2,124,630.81 = 860,476.50/x
  3. Step 3: Cross multiply
    1,539,540x = 2,124,630.81 × 860,476.50
  4. Step 4: Simplify right side
    1,539,540x = 1,828,194,883,180.97
  5. Step 5: Solve for x
    x = 1,828,194,883,180.97/1,539,540
  6. Step 6: Final answer
    x = 1,187,494.24

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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.