Home / 1,555,824.96-2,147,437.92-1,013,312.64

Finding the Fourth Proportional to 1,555,824.96, 2,147,437.92 and 1,013,312.64

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Solution

The fourth proportional to 1,555,824.96, 2,147,437.92 and 1,013,312.64 is: 1,398,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,824.96 : 2,147,437.92 = 1,013,312.64 : x
  2. Step 2: Convert to fraction form
    1,555,824.96/2,147,437.92 = 1,013,312.64/x
  3. Step 3: Cross multiply
    1,555,824.96x = 2,147,437.92 × 1,013,312.64
  4. Step 4: Simplify right side
    1,555,824.96x = 2,176,025,987,951.31
  5. Step 5: Solve for x
    x = 2,176,025,987,951.31/1,555,824.96
  6. Step 6: Final answer
    x = 1,398,631.62

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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.