Home / 1,443,892.65-1,992,595.44-790,507.77

Finding the Fourth Proportional to 1,443,892.65, 1,992,595.44 and 790,507.77

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Solution

The fourth proportional to 1,443,892.65, 1,992,595.44 and 790,507.77 is: 1,090,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,892.65 : 1,992,595.44 = 790,507.77 : x
  2. Step 2: Convert to fraction form
    1,443,892.65/1,992,595.44 = 790,507.77/x
  3. Step 3: Cross multiply
    1,443,892.65x = 1,992,595.44 × 790,507.77
  4. Step 4: Simplify right side
    1,443,892.65x = 1,575,162,173,278.74
  5. Step 5: Solve for x
    x = 1,575,162,173,278.74/1,443,892.65
  6. Step 6: Final answer
    x = 1,090,913.63

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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.