Home / 1,152,339.48-1,590,909.66-830,879.64

Finding the Fourth Proportional to 1,152,339.48, 1,590,909.66 and 830,879.64

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Solution

The fourth proportional to 1,152,339.48, 1,590,909.66 and 830,879.64 is: 1,147,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,339.48 : 1,590,909.66 = 830,879.64 : x
  2. Step 2: Convert to fraction form
    1,152,339.48/1,590,909.66 = 830,879.64/x
  3. Step 3: Cross multiply
    1,152,339.48x = 1,590,909.66 × 830,879.64
  4. Step 4: Simplify right side
    1,152,339.48x = 1,321,854,445,573.32
  5. Step 5: Solve for x
    x = 1,321,854,445,573.32/1,152,339.48
  6. Step 6: Final answer
    x = 1,147,105.06

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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.