Home / 1,255,719.36-1,733,554.80-1,008,008.40

Finding the Fourth Proportional to 1,255,719.36, 1,733,554.80 and 1,008,008.40

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Solution

The fourth proportional to 1,255,719.36, 1,733,554.80 and 1,008,008.40 is: 1,391,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,719.36 : 1,733,554.80 = 1,008,008.40 : x
  2. Step 2: Convert to fraction form
    1,255,719.36/1,733,554.80 = 1,008,008.40/x
  3. Step 3: Cross multiply
    1,255,719.36x = 1,733,554.80 × 1,008,008.40
  4. Step 4: Simplify right side
    1,255,719.36x = 1,747,437,800,260.32
  5. Step 5: Solve for x
    x = 1,747,437,800,260.32/1,255,719.36
  6. Step 6: Final answer
    x = 1,391,583.07

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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.