Home / 1,087,486.19-1,631,245.69-377,536.79

Finding the Fourth Proportional to 1,087,486.19, 1,631,245.69 and 377,536.79

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Solution

The fourth proportional to 1,087,486.19, 1,631,245.69 and 377,536.79 is: 566,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,486.19 : 1,631,245.69 = 377,536.79 : x
  2. Step 2: Convert to fraction form
    1,087,486.19/1,631,245.69 = 377,536.79/x
  3. Step 3: Cross multiply
    1,087,486.19x = 1,631,245.69 × 377,536.79
  4. Step 4: Simplify right side
    1,087,486.19x = 615,855,253,347.71
  5. Step 5: Solve for x
    x = 615,855,253,347.71/1,087,486.19
  6. Step 6: Final answer
    x = 566,310.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.