Home / 1,306,502.68-1,956,332.58-855,805.72

Finding the Fourth Proportional to 1,306,502.68, 1,956,332.58 and 855,805.72

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Solution

The fourth proportional to 1,306,502.68, 1,956,332.58 and 855,805.72 is: 1,281,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,502.68 : 1,956,332.58 = 855,805.72 : x
  2. Step 2: Convert to fraction form
    1,306,502.68/1,956,332.58 = 855,805.72/x
  3. Step 3: Cross multiply
    1,306,502.68x = 1,956,332.58 × 855,805.72
  4. Step 4: Simplify right side
    1,306,502.68x = 1,674,240,612,186.36
  5. Step 5: Solve for x
    x = 1,674,240,612,186.36/1,306,502.68
  6. Step 6: Final answer
    x = 1,281,467.42

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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.