Home / 1,315,701.59-1,815,683.34-771,846.63

Finding the Fourth Proportional to 1,315,701.59, 1,815,683.34 and 771,846.63

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Solution

The fourth proportional to 1,315,701.59, 1,815,683.34 and 771,846.63 is: 1,065,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,701.59 : 1,815,683.34 = 771,846.63 : x
  2. Step 2: Convert to fraction form
    1,315,701.59/1,815,683.34 = 771,846.63/x
  3. Step 3: Cross multiply
    1,315,701.59x = 1,815,683.34 × 771,846.63
  4. Step 4: Simplify right side
    1,315,701.59x = 1,401,429,067,126.14
  5. Step 5: Solve for x
    x = 1,401,429,067,126.14/1,315,701.59
  6. Step 6: Final answer
    x = 1,065,157.24

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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.