Home / 1,258,943.80-1,889,203.04-510,989.80

Finding the Fourth Proportional to 1,258,943.80, 1,889,203.04 and 510,989.80

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Solution

The fourth proportional to 1,258,943.80, 1,889,203.04 and 510,989.80 is: 766,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,943.80 : 1,889,203.04 = 510,989.80 : x
  2. Step 2: Convert to fraction form
    1,258,943.80/1,889,203.04 = 510,989.80/x
  3. Step 3: Cross multiply
    1,258,943.80x = 1,889,203.04 × 510,989.80
  4. Step 4: Simplify right side
    1,258,943.80x = 965,363,483,568.99
  5. Step 5: Solve for x
    x = 965,363,483,568.99/1,258,943.80
  6. Step 6: Final answer
    x = 766,804.27

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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.