Home / 1,277,045.04-1,762,629.21-767,649

Finding the Fourth Proportional to 1,277,045.04, 1,762,629.21 and 767,649

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Solution

The fourth proportional to 1,277,045.04, 1,762,629.21 and 767,649 is: 1,059,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,045.04 : 1,762,629.21 = 767,649 : x
  2. Step 2: Convert to fraction form
    1,277,045.04/1,762,629.21 = 767,649/x
  3. Step 3: Cross multiply
    1,277,045.04x = 1,762,629.21 × 767,649
  4. Step 4: Simplify right side
    1,277,045.04x = 1,353,080,550,427.29
  5. Step 5: Solve for x
    x = 1,353,080,550,427.29/1,277,045.04
  6. Step 6: Final answer
    x = 1,059,540.19

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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.