Home / 1,326,100.30-1,992,102.90-1,272,300.10

Finding the Fourth Proportional to 1,326,100.30, 1,992,102.90 and 1,272,300.10

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Solution

The fourth proportional to 1,326,100.30, 1,992,102.90 and 1,272,300.10 is: 1,911,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,100.30 : 1,992,102.90 = 1,272,300.10 : x
  2. Step 2: Convert to fraction form
    1,326,100.30/1,992,102.90 = 1,272,300.10/x
  3. Step 3: Cross multiply
    1,326,100.30x = 1,992,102.90 × 1,272,300.10
  4. Step 4: Simplify right side
    1,326,100.30x = 2,534,552,718,880.29
  5. Step 5: Solve for x
    x = 2,534,552,718,880.29/1,326,100.30
  6. Step 6: Final answer
    x = 1,911,282.82

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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.