Home / 1,459,992.86-2,014,497.54-815,313.86

Finding the Fourth Proportional to 1,459,992.86, 2,014,497.54 and 815,313.86

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Solution

The fourth proportional to 1,459,992.86, 2,014,497.54 and 815,313.86 is: 1,124,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,992.86 : 2,014,497.54 = 815,313.86 : x
  2. Step 2: Convert to fraction form
    1,459,992.86/2,014,497.54 = 815,313.86/x
  3. Step 3: Cross multiply
    1,459,992.86x = 2,014,497.54 × 815,313.86
  4. Step 4: Simplify right side
    1,459,992.86x = 1,642,447,762,779.78
  5. Step 5: Solve for x
    x = 1,642,447,762,779.78/1,459,992.86
  6. Step 6: Final answer
    x = 1,124,969.72

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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.