Home / 1,012,859.60-1,519,289.40-508,974.80

Finding the Fourth Proportional to 1,012,859.60, 1,519,289.40 and 508,974.80

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Solution

The fourth proportional to 1,012,859.60, 1,519,289.40 and 508,974.80 is: 763,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,859.60 : 1,519,289.40 = 508,974.80 : x
  2. Step 2: Convert to fraction form
    1,012,859.60/1,519,289.40 = 508,974.80/x
  3. Step 3: Cross multiply
    1,012,859.60x = 1,519,289.40 × 508,974.80
  4. Step 4: Simplify right side
    1,012,859.60x = 773,280,018,507.12
  5. Step 5: Solve for x
    x = 773,280,018,507.12/1,012,859.60
  6. Step 6: Final answer
    x = 763,462.20

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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.