Home / 1,510,355.24-2,265,607.54-431,026.88

Finding the Fourth Proportional to 1,510,355.24, 2,265,607.54 and 431,026.88

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Solution

The fourth proportional to 1,510,355.24, 2,265,607.54 and 431,026.88 is: 646,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,355.24 : 2,265,607.54 = 431,026.88 : x
  2. Step 2: Convert to fraction form
    1,510,355.24/2,265,607.54 = 431,026.88/x
  3. Step 3: Cross multiply
    1,510,355.24x = 2,265,607.54 × 431,026.88
  4. Step 4: Simplify right side
    1,510,355.24x = 976,537,749,270.68
  5. Step 5: Solve for x
    x = 976,537,749,270.68/1,510,355.24
  6. Step 6: Final answer
    x = 646,561.63

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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.