Home / 1,675,636.78-2,513,849.78-477,576.31

Finding the Fourth Proportional to 1,675,636.78, 2,513,849.78 and 477,576.31

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Solution

The fourth proportional to 1,675,636.78, 2,513,849.78 and 477,576.31 is: 716,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,636.78 : 2,513,849.78 = 477,576.31 : x
  2. Step 2: Convert to fraction form
    1,675,636.78/2,513,849.78 = 477,576.31/x
  3. Step 3: Cross multiply
    1,675,636.78x = 2,513,849.78 × 477,576.31
  4. Step 4: Simplify right side
    1,675,636.78x = 1,200,555,101,826.71
  5. Step 5: Solve for x
    x = 1,200,555,101,826.71/1,675,636.78
  6. Step 6: Final answer
    x = 716,476.93

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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.