Home / 1,295,777.44-1,788,184.50-715,026.40

Finding the Fourth Proportional to 1,295,777.44, 1,788,184.50 and 715,026.40

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Solution

The fourth proportional to 1,295,777.44, 1,788,184.50 and 715,026.40 is: 986,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,777.44 : 1,788,184.50 = 715,026.40 : x
  2. Step 2: Convert to fraction form
    1,295,777.44/1,788,184.50 = 715,026.40/x
  3. Step 3: Cross multiply
    1,295,777.44x = 1,788,184.50 × 715,026.40
  4. Step 4: Simplify right side
    1,295,777.44x = 1,278,599,125,570.80
  5. Step 5: Solve for x
    x = 1,278,599,125,570.80/1,295,777.44
  6. Step 6: Final answer
    x = 986,742.85

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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.