Home / 1,444,011.10-1,992,659.55-790,511.84

Finding the Fourth Proportional to 1,444,011.10, 1,992,659.55 and 790,511.84

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Solution

The fourth proportional to 1,444,011.10, 1,992,659.55 and 790,511.84 is: 1,090,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,011.10 : 1,992,659.55 = 790,511.84 : x
  2. Step 2: Convert to fraction form
    1,444,011.10/1,992,659.55 = 790,511.84/x
  3. Step 3: Cross multiply
    1,444,011.10x = 1,992,659.55 × 790,511.84
  4. Step 4: Simplify right side
    1,444,011.10x = 1,575,220,967,364.07
  5. Step 5: Solve for x
    x = 1,575,220,967,364.07/1,444,011.10
  6. Step 6: Final answer
    x = 1,090,864.86

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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.