Home / 1,331,297.64-1,837,226.88-815,041.44

Finding the Fourth Proportional to 1,331,297.64, 1,837,226.88 and 815,041.44

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Solution

The fourth proportional to 1,331,297.64, 1,837,226.88 and 815,041.44 is: 1,124,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,297.64 : 1,837,226.88 = 815,041.44 : x
  2. Step 2: Convert to fraction form
    1,331,297.64/1,837,226.88 = 815,041.44/x
  3. Step 3: Cross multiply
    1,331,297.64x = 1,837,226.88 × 815,041.44
  4. Step 4: Simplify right side
    1,331,297.64x = 1,497,416,041,881.91
  5. Step 5: Solve for x
    x = 1,497,416,041,881.91/1,331,297.64
  6. Step 6: Final answer
    x = 1,124,779.31

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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.