Home / 1,303,876.40-1,954,259.40-672,465.20

Finding the Fourth Proportional to 1,303,876.40, 1,954,259.40 and 672,465.20

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Solution

The fourth proportional to 1,303,876.40, 1,954,259.40 and 672,465.20 is: 1,007,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,876.40 : 1,954,259.40 = 672,465.20 : x
  2. Step 2: Convert to fraction form
    1,303,876.40/1,954,259.40 = 672,465.20/x
  3. Step 3: Cross multiply
    1,303,876.40x = 1,954,259.40 × 672,465.20
  4. Step 4: Simplify right side
    1,303,876.40x = 1,314,171,438,272.88
  5. Step 5: Solve for x
    x = 1,314,171,438,272.88/1,303,876.40
  6. Step 6: Final answer
    x = 1,007,895.72

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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.