Home / 1,253,465.95-1,728,069.22-860,986.93

Finding the Fourth Proportional to 1,253,465.95, 1,728,069.22 and 860,986.93

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Solution

The fourth proportional to 1,253,465.95, 1,728,069.22 and 860,986.93 is: 1,186,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,465.95 : 1,728,069.22 = 860,986.93 : x
  2. Step 2: Convert to fraction form
    1,253,465.95/1,728,069.22 = 860,986.93/x
  3. Step 3: Cross multiply
    1,253,465.95x = 1,728,069.22 × 860,986.93
  4. Step 4: Simplify right side
    1,253,465.95x = 1,487,845,012,555.29
  5. Step 5: Solve for x
    x = 1,487,845,012,555.29/1,253,465.95
  6. Step 6: Final answer
    x = 1,186,984.79

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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.