Home / 940,486.48-1,298,409.33-619,130.76

Finding the Fourth Proportional to 940,486.48, 1,298,409.33 and 619,130.76

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Solution

The fourth proportional to 940,486.48, 1,298,409.33 and 619,130.76 is: 854,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,486.48 : 1,298,409.33 = 619,130.76 : x
  2. Step 2: Convert to fraction form
    940,486.48/1,298,409.33 = 619,130.76/x
  3. Step 3: Cross multiply
    940,486.48x = 1,298,409.33 × 619,130.76
  4. Step 4: Simplify right side
    940,486.48x = 803,885,155,273.99
  5. Step 5: Solve for x
    x = 803,885,155,273.99/940,486.48
  6. Step 6: Final answer
    x = 854,754.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.