Home / 1,202,426-1,803,915.48-414,458

Finding the Fourth Proportional to 1,202,426, 1,803,915.48 and 414,458

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Solution

The fourth proportional to 1,202,426, 1,803,915.48 and 414,458 is: 621,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,426 : 1,803,915.48 = 414,458 : x
  2. Step 2: Convert to fraction form
    1,202,426/1,803,915.48 = 414,458/x
  3. Step 3: Cross multiply
    1,202,426x = 1,803,915.48 × 414,458
  4. Step 4: Simplify right side
    1,202,426x = 747,647,202,009.84
  5. Step 5: Solve for x
    x = 747,647,202,009.84/1,202,426
  6. Step 6: Final answer
    x = 621,782.30

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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.