Home / 1,443,881.86-1,992,580.46-790,496.86

Finding the Fourth Proportional to 1,443,881.86, 1,992,580.46 and 790,496.86

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Solution

The fourth proportional to 1,443,881.86, 1,992,580.46 and 790,496.86 is: 1,090,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,881.86 : 1,992,580.46 = 790,496.86 : x
  2. Step 2: Convert to fraction form
    1,443,881.86/1,992,580.46 = 790,496.86/x
  3. Step 3: Cross multiply
    1,443,881.86x = 1,992,580.46 × 790,496.86
  4. Step 4: Simplify right side
    1,443,881.86x = 1,575,128,596,927.36
  5. Step 5: Solve for x
    x = 1,575,128,596,927.36/1,443,881.86
  6. Step 6: Final answer
    x = 1,090,898.53

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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.