Home / 1,344,290.08-1,855,162.32-771,435.04

Finding the Fourth Proportional to 1,344,290.08, 1,855,162.32 and 771,435.04

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Solution

The fourth proportional to 1,344,290.08, 1,855,162.32 and 771,435.04 is: 1,064,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,290.08 : 1,855,162.32 = 771,435.04 : x
  2. Step 2: Convert to fraction form
    1,344,290.08/1,855,162.32 = 771,435.04/x
  3. Step 3: Cross multiply
    1,344,290.08x = 1,855,162.32 × 771,435.04
  4. Step 4: Simplify right side
    1,344,290.08x = 1,431,137,218,535.69
  5. Step 5: Solve for x
    x = 1,431,137,218,535.69/1,344,290.08
  6. Step 6: Final answer
    x = 1,064,604.46

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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.