Home / 1,229,248.86-1,692,503.27-1,045,125.33

Finding the Fourth Proportional to 1,229,248.86, 1,692,503.27 and 1,045,125.33

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Solution

The fourth proportional to 1,229,248.86, 1,692,503.27 and 1,045,125.33 is: 1,438,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,248.86 : 1,692,503.27 = 1,045,125.33 : x
  2. Step 2: Convert to fraction form
    1,229,248.86/1,692,503.27 = 1,045,125.33/x
  3. Step 3: Cross multiply
    1,229,248.86x = 1,692,503.27 × 1,045,125.33
  4. Step 4: Simplify right side
    1,229,248.86x = 1,768,878,033,359.20
  5. Step 5: Solve for x
    x = 1,768,878,033,359.20/1,229,248.86
  6. Step 6: Final answer
    x = 1,438,990.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.