Home / 1,272,303.45-1,755,780.06-699,331.32

Finding the Fourth Proportional to 1,272,303.45, 1,755,780.06 and 699,331.32

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Solution

The fourth proportional to 1,272,303.45, 1,755,780.06 and 699,331.32 is: 965,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,303.45 : 1,755,780.06 = 699,331.32 : x
  2. Step 2: Convert to fraction form
    1,272,303.45/1,755,780.06 = 699,331.32/x
  3. Step 3: Cross multiply
    1,272,303.45x = 1,755,780.06 × 699,331.32
  4. Step 4: Simplify right side
    1,272,303.45x = 1,227,871,986,989.48
  5. Step 5: Solve for x
    x = 1,227,871,986,989.48/1,272,303.45
  6. Step 6: Final answer
    x = 965,077.94

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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.