Home / 1,019,492.40-1,529,233.20-261,332.40

Finding the Fourth Proportional to 1,019,492.40, 1,529,233.20 and 261,332.40

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Solution

The fourth proportional to 1,019,492.40, 1,529,233.20 and 261,332.40 is: 391,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,492.40 : 1,529,233.20 = 261,332.40 : x
  2. Step 2: Convert to fraction form
    1,019,492.40/1,529,233.20 = 261,332.40/x
  3. Step 3: Cross multiply
    1,019,492.40x = 1,529,233.20 × 261,332.40
  4. Step 4: Simplify right side
    1,019,492.40x = 399,638,182,315.68
  5. Step 5: Solve for x
    x = 399,638,182,315.68/1,019,492.40
  6. Step 6: Final answer
    x = 391,997.22

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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.