Home / 1,444,020.69-1,992,749.02-790,688.11

Finding the Fourth Proportional to 1,444,020.69, 1,992,749.02 and 790,688.11

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Solution

The fourth proportional to 1,444,020.69, 1,992,749.02 and 790,688.11 is: 1,091,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,020.69 : 1,992,749.02 = 790,688.11 : x
  2. Step 2: Convert to fraction form
    1,444,020.69/1,992,749.02 = 790,688.11/x
  3. Step 3: Cross multiply
    1,444,020.69x = 1,992,749.02 × 790,688.11
  4. Step 4: Simplify right side
    1,444,020.69x = 1,575,642,956,328.15
  5. Step 5: Solve for x
    x = 1,575,642,956,328.15/1,444,020.69
  6. Step 6: Final answer
    x = 1,091,149.85

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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.