Home / 1,302,289.65-1,953,508.32-403,859.12

Finding the Fourth Proportional to 1,302,289.65, 1,953,508.32 and 403,859.12

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Solution

The fourth proportional to 1,302,289.65, 1,953,508.32 and 403,859.12 is: 605,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,289.65 : 1,953,508.32 = 403,859.12 : x
  2. Step 2: Convert to fraction form
    1,302,289.65/1,953,508.32 = 403,859.12/x
  3. Step 3: Cross multiply
    1,302,289.65x = 1,953,508.32 × 403,859.12
  4. Step 4: Simplify right side
    1,302,289.65x = 788,942,141,260.34
  5. Step 5: Solve for x
    x = 788,942,141,260.34/1,302,289.65
  6. Step 6: Final answer
    x = 605,811.57

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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.