Home / 1,344,287.58-1,855,158.87-771,432.54

Finding the Fourth Proportional to 1,344,287.58, 1,855,158.87 and 771,432.54

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Solution

The fourth proportional to 1,344,287.58, 1,855,158.87 and 771,432.54 is: 1,064,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,287.58 : 1,855,158.87 = 771,432.54 : x
  2. Step 2: Convert to fraction form
    1,344,287.58/1,855,158.87 = 771,432.54/x
  3. Step 3: Cross multiply
    1,344,287.58x = 1,855,158.87 × 771,432.54
  4. Step 4: Simplify right side
    1,344,287.58x = 1,431,129,919,187.63
  5. Step 5: Solve for x
    x = 1,431,129,919,187.63/1,344,287.58
  6. Step 6: Final answer
    x = 1,064,601.01

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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.