Home / 1,230,208.80-1,845,604.80-631,262.40

Finding the Fourth Proportional to 1,230,208.80, 1,845,604.80 and 631,262.40

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Solution

The fourth proportional to 1,230,208.80, 1,845,604.80 and 631,262.40 is: 947,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,208.80 : 1,845,604.80 = 631,262.40 : x
  2. Step 2: Convert to fraction form
    1,230,208.80/1,845,604.80 = 631,262.40/x
  3. Step 3: Cross multiply
    1,230,208.80x = 1,845,604.80 × 631,262.40
  4. Step 4: Simplify right side
    1,230,208.80x = 1,165,060,915,499.52
  5. Step 5: Solve for x
    x = 1,165,060,915,499.52/1,230,208.80
  6. Step 6: Final answer
    x = 947,043.23

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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.