Home / 1,237,030.20-1,854,465.30-479,388.60

Finding the Fourth Proportional to 1,237,030.20, 1,854,465.30 and 479,388.60

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Solution

The fourth proportional to 1,237,030.20, 1,854,465.30 and 479,388.60 is: 718,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,030.20 : 1,854,465.30 = 479,388.60 : x
  2. Step 2: Convert to fraction form
    1,237,030.20/1,854,465.30 = 479,388.60/x
  3. Step 3: Cross multiply
    1,237,030.20x = 1,854,465.30 × 479,388.60
  4. Step 4: Simplify right side
    1,237,030.20x = 889,009,523,915.58
  5. Step 5: Solve for x
    x = 889,009,523,915.58/1,237,030.20
  6. Step 6: Final answer
    x = 718,664.37

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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.