Home / 1,361,503.31-1,878,859.04-749,643.30

Finding the Fourth Proportional to 1,361,503.31, 1,878,859.04 and 749,643.30

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Solution

The fourth proportional to 1,361,503.31, 1,878,859.04 and 749,643.30 is: 1,034,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,503.31 : 1,878,859.04 = 749,643.30 : x
  2. Step 2: Convert to fraction form
    1,361,503.31/1,878,859.04 = 749,643.30/x
  3. Step 3: Cross multiply
    1,361,503.31x = 1,878,859.04 × 749,643.30
  4. Step 4: Simplify right side
    1,361,503.31x = 1,408,474,087,232.22
  5. Step 5: Solve for x
    x = 1,408,474,087,232.22/1,361,503.31
  6. Step 6: Final answer
    x = 1,034,499.21

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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.