Home / 1,240,840.40-1,713,424.28-1,200,716.24

Finding the Fourth Proportional to 1,240,840.40, 1,713,424.28 and 1,200,716.24

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Solution

The fourth proportional to 1,240,840.40, 1,713,424.28 and 1,200,716.24 is: 1,658,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,840.40 : 1,713,424.28 = 1,200,716.24 : x
  2. Step 2: Convert to fraction form
    1,240,840.40/1,713,424.28 = 1,200,716.24/x
  3. Step 3: Cross multiply
    1,240,840.40x = 1,713,424.28 × 1,200,716.24
  4. Step 4: Simplify right side
    1,240,840.40x = 2,057,336,359,006.31
  5. Step 5: Solve for x
    x = 2,057,336,359,006.31/1,240,840.40
  6. Step 6: Final answer
    x = 1,658,018.52

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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.