Home / 1,216,436.60-1,824,679.20-317,822.60

Finding the Fourth Proportional to 1,216,436.60, 1,824,679.20 and 317,822.60

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Solution

The fourth proportional to 1,216,436.60, 1,824,679.20 and 317,822.60 is: 476,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,436.60 : 1,824,679.20 = 317,822.60 : x
  2. Step 2: Convert to fraction form
    1,216,436.60/1,824,679.20 = 317,822.60/x
  3. Step 3: Cross multiply
    1,216,436.60x = 1,824,679.20 × 317,822.60
  4. Step 4: Simplify right side
    1,216,436.60x = 579,924,287,509.92
  5. Step 5: Solve for x
    x = 579,924,287,509.92/1,216,436.60
  6. Step 6: Final answer
    x = 476,740.25

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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.