Home / 1,275,388.95-1,913,028.08-476,677.41

Finding the Fourth Proportional to 1,275,388.95, 1,913,028.08 and 476,677.41

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Solution

The fourth proportional to 1,275,388.95, 1,913,028.08 and 476,677.41 is: 714,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,388.95 : 1,913,028.08 = 476,677.41 : x
  2. Step 2: Convert to fraction form
    1,275,388.95/1,913,028.08 = 476,677.41/x
  3. Step 3: Cross multiply
    1,275,388.95x = 1,913,028.08 × 476,677.41
  4. Step 4: Simplify right side
    1,275,388.95x = 911,897,268,048.29
  5. Step 5: Solve for x
    x = 911,897,268,048.29/1,275,388.95
  6. Step 6: Final answer
    x = 714,995.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.