Home / 884,636.20-1,323,017.70-742,918.60

Finding the Fourth Proportional to 884,636.20, 1,323,017.70 and 742,918.60

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Solution

The fourth proportional to 884,636.20, 1,323,017.70 and 742,918.60 is: 1,111,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,636.20 : 1,323,017.70 = 742,918.60 : x
  2. Step 2: Convert to fraction form
    884,636.20/1,323,017.70 = 742,918.60/x
  3. Step 3: Cross multiply
    884,636.20x = 1,323,017.70 × 742,918.60
  4. Step 4: Simplify right side
    884,636.20x = 982,894,457,459.22
  5. Step 5: Solve for x
    x = 982,894,457,459.22/884,636.20
  6. Step 6: Final answer
    x = 1,111,071.94

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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.