Home / 991,988.56-1,369,051.23-562,222.54

Finding the Fourth Proportional to 991,988.56, 1,369,051.23 and 562,222.54

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Solution

The fourth proportional to 991,988.56, 1,369,051.23 and 562,222.54 is: 775,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,988.56 : 1,369,051.23 = 562,222.54 : x
  2. Step 2: Convert to fraction form
    991,988.56/1,369,051.23 = 562,222.54/x
  3. Step 3: Cross multiply
    991,988.56x = 1,369,051.23 × 562,222.54
  4. Step 4: Simplify right side
    991,988.56x = 769,711,459,920.72
  5. Step 5: Solve for x
    x = 769,711,459,920.72/991,988.56
  6. Step 6: Final answer
    x = 775,927.76

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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.