Home / 1,686,717-2,530,073.43-549,477.36

Finding the Fourth Proportional to 1,686,717, 2,530,073.43 and 549,477.36

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Solution

The fourth proportional to 1,686,717, 2,530,073.43 and 549,477.36 is: 824,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,717 : 2,530,073.43 = 549,477.36 : x
  2. Step 2: Convert to fraction form
    1,686,717/2,530,073.43 = 549,477.36/x
  3. Step 3: Cross multiply
    1,686,717x = 2,530,073.43 × 549,477.36
  4. Step 4: Simplify right side
    1,686,717x = 1,390,218,068,922.55
  5. Step 5: Solve for x
    x = 1,390,218,068,922.55/1,686,717
  6. Step 6: Final answer
    x = 824,215.37

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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.