Home / 1,344,440.96-1,855,245.12-771,528.32

Finding the Fourth Proportional to 1,344,440.96, 1,855,245.12 and 771,528.32

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Solution

The fourth proportional to 1,344,440.96, 1,855,245.12 and 771,528.32 is: 1,064,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,440.96 : 1,855,245.12 = 771,528.32 : x
  2. Step 2: Convert to fraction form
    1,344,440.96/1,855,245.12 = 771,528.32/x
  3. Step 3: Cross multiply
    1,344,440.96x = 1,855,245.12 × 771,528.32
  4. Step 4: Simplify right side
    1,344,440.96x = 1,431,374,150,621.80
  5. Step 5: Solve for x
    x = 1,431,374,150,621.80/1,344,440.96
  6. Step 6: Final answer
    x = 1,064,661.22

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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.