Home / 1,201,492.17-1,802,947.21-443,869.81

Finding the Fourth Proportional to 1,201,492.17, 1,802,947.21 and 443,869.81

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Solution

The fourth proportional to 1,201,492.17, 1,802,947.21 and 443,869.81 is: 666,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,492.17 : 1,802,947.21 = 443,869.81 : x
  2. Step 2: Convert to fraction form
    1,201,492.17/1,802,947.21 = 443,869.81/x
  3. Step 3: Cross multiply
    1,201,492.17x = 1,802,947.21 × 443,869.81
  4. Step 4: Simplify right side
    1,201,492.17x = 800,273,829,925.69
  5. Step 5: Solve for x
    x = 800,273,829,925.69/1,201,492.17
  6. Step 6: Final answer
    x = 666,066.62

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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.