Home / 1,361,487.30-1,878,836.98-749,627.28

Finding the Fourth Proportional to 1,361,487.30, 1,878,836.98 and 749,627.28

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Solution

The fourth proportional to 1,361,487.30, 1,878,836.98 and 749,627.28 is: 1,034,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,487.30 : 1,878,836.98 = 749,627.28 : x
  2. Step 2: Convert to fraction form
    1,361,487.30/1,878,836.98 = 749,627.28/x
  3. Step 3: Cross multiply
    1,361,487.30x = 1,878,836.98 × 749,627.28
  4. Step 4: Simplify right side
    1,361,487.30x = 1,408,427,454,880.81
  5. Step 5: Solve for x
    x = 1,408,427,454,880.81/1,361,487.30
  6. Step 6: Final answer
    x = 1,034,477.12

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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.