Home / 750,817.70-1,126,230.60-189,852.20

Finding the Fourth Proportional to 750,817.70, 1,126,230.60 and 189,852.20

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Solution

The fourth proportional to 750,817.70, 1,126,230.60 and 189,852.20 is: 284,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,817.70 : 1,126,230.60 = 189,852.20 : x
  2. Step 2: Convert to fraction form
    750,817.70/1,126,230.60 = 189,852.20/x
  3. Step 3: Cross multiply
    750,817.70x = 1,126,230.60 × 189,852.20
  4. Step 4: Simplify right side
    750,817.70x = 213,817,357,117.32
  5. Step 5: Solve for x
    x = 213,817,357,117.32/750,817.70
  6. Step 6: Final answer
    x = 284,779.32

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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.