Home / 1,529,315.96-2,110,421.67-831,581.72

Finding the Fourth Proportional to 1,529,315.96, 2,110,421.67 and 831,581.72

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Solution

The fourth proportional to 1,529,315.96, 2,110,421.67 and 831,581.72 is: 1,147,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,315.96 : 2,110,421.67 = 831,581.72 : x
  2. Step 2: Convert to fraction form
    1,529,315.96/2,110,421.67 = 831,581.72/x
  3. Step 3: Cross multiply
    1,529,315.96x = 2,110,421.67 × 831,581.72
  4. Step 4: Simplify right side
    1,529,315.96x = 1,754,988,082,263.87
  5. Step 5: Solve for x
    x = 1,754,988,082,263.87/1,529,315.96
  6. Step 6: Final answer
    x = 1,147,564.09

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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.