Home / 1,148,771.92-1,585,795.32-817,841.20

Finding the Fourth Proportional to 1,148,771.92, 1,585,795.32 and 817,841.20

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Solution

The fourth proportional to 1,148,771.92, 1,585,795.32 and 817,841.20 is: 1,128,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,771.92 : 1,585,795.32 = 817,841.20 : x
  2. Step 2: Convert to fraction form
    1,148,771.92/1,585,795.32 = 817,841.20/x
  3. Step 3: Cross multiply
    1,148,771.92x = 1,585,795.32 × 817,841.20
  4. Step 4: Simplify right side
    1,148,771.92x = 1,296,928,747,463.18
  5. Step 5: Solve for x
    x = 1,296,928,747,463.18/1,148,771.92
  6. Step 6: Final answer
    x = 1,128,969.75

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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.