Home / 1,042,076.79-1,438,065.96-565,148.79

Finding the Fourth Proportional to 1,042,076.79, 1,438,065.96 and 565,148.79

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Solution

The fourth proportional to 1,042,076.79, 1,438,065.96 and 565,148.79 is: 779,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,076.79 : 1,438,065.96 = 565,148.79 : x
  2. Step 2: Convert to fraction form
    1,042,076.79/1,438,065.96 = 565,148.79/x
  3. Step 3: Cross multiply
    1,042,076.79x = 1,438,065.96 × 565,148.79
  4. Step 4: Simplify right side
    1,042,076.79x = 812,721,237,234.19
  5. Step 5: Solve for x
    x = 812,721,237,234.19/1,042,076.79
  6. Step 6: Final answer
    x = 779,905.32

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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.