Home / 1,272,745.60-1,756,425.45-776,058.61

Finding the Fourth Proportional to 1,272,745.60, 1,756,425.45 and 776,058.61

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Solution

The fourth proportional to 1,272,745.60, 1,756,425.45 and 776,058.61 is: 1,070,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,745.60 : 1,756,425.45 = 776,058.61 : x
  2. Step 2: Convert to fraction form
    1,272,745.60/1,756,425.45 = 776,058.61/x
  3. Step 3: Cross multiply
    1,272,745.60x = 1,756,425.45 × 776,058.61
  4. Step 4: Simplify right side
    1,272,745.60x = 1,363,089,088,904.56
  5. Step 5: Solve for x
    x = 1,363,089,088,904.56/1,272,745.60
  6. Step 6: Final answer
    x = 1,070,983.15

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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.