Home / 745,879.20-1,119,693.60-740,630.40

Finding the Fourth Proportional to 745,879.20, 1,119,693.60 and 740,630.40

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Solution

The fourth proportional to 745,879.20, 1,119,693.60 and 740,630.40 is: 1,111,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,879.20 : 1,119,693.60 = 740,630.40 : x
  2. Step 2: Convert to fraction form
    745,879.20/1,119,693.60 = 740,630.40/x
  3. Step 3: Cross multiply
    745,879.20x = 1,119,693.60 × 740,630.40
  4. Step 4: Simplify right side
    745,879.20x = 829,279,118,845.44
  5. Step 5: Solve for x
    x = 829,279,118,845.44/745,879.20
  6. Step 6: Final answer
    x = 1,111,814.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.