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Finding the Fourth Proportional to 827,276.40, 1,155,825 and 827,276.40

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Solution

The fourth proportional to 827,276.40, 1,155,825 and 827,276.40 is: 1,155,825

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,276.40 : 1,155,825 = 827,276.40 : x
  2. Step 2: Convert to fraction form
    827,276.40/1,155,825 = 827,276.40/x
  3. Step 3: Cross multiply
    827,276.40x = 1,155,825 × 827,276.40
  4. Step 4: Simplify right side
    827,276.40x = 956,186,745,030
  5. Step 5: Solve for x
    x = 956,186,745,030/827,276.40
  6. Step 6: Final answer
    x = 1,155,825

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.