Home / 1,495,379.84-2,063,659.56-816,321.20

Finding the Fourth Proportional to 1,495,379.84, 2,063,659.56 and 816,321.20

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Solution

The fourth proportional to 1,495,379.84, 2,063,659.56 and 816,321.20 is: 1,126,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,379.84 : 2,063,659.56 = 816,321.20 : x
  2. Step 2: Convert to fraction form
    1,495,379.84/2,063,659.56 = 816,321.20/x
  3. Step 3: Cross multiply
    1,495,379.84x = 2,063,659.56 × 816,321.20
  4. Step 4: Simplify right side
    1,495,379.84x = 1,684,609,048,410.67
  5. Step 5: Solve for x
    x = 1,684,609,048,410.67/1,495,379.84
  6. Step 6: Final answer
    x = 1,126,542.57

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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.