Home / 1,154,230.71-1,731,806.57-480,776.43

Finding the Fourth Proportional to 1,154,230.71, 1,731,806.57 and 480,776.43

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Solution

The fourth proportional to 1,154,230.71, 1,731,806.57 and 480,776.43 is: 721,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,230.71 : 1,731,806.57 = 480,776.43 : x
  2. Step 2: Convert to fraction form
    1,154,230.71/1,731,806.57 = 480,776.43/x
  3. Step 3: Cross multiply
    1,154,230.71x = 1,731,806.57 × 480,776.43
  4. Step 4: Simplify right side
    1,154,230.71x = 832,611,777,771.26
  5. Step 5: Solve for x
    x = 832,611,777,771.26/1,154,230.71
  6. Step 6: Final answer
    x = 721,356.46

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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.