Home / 1,148,772.92-1,585,796.70-817,842.20

Finding the Fourth Proportional to 1,148,772.92, 1,585,796.70 and 817,842.20

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Solution

The fourth proportional to 1,148,772.92, 1,585,796.70 and 817,842.20 is: 1,128,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,772.92 : 1,585,796.70 = 817,842.20 : x
  2. Step 2: Convert to fraction form
    1,148,772.92/1,585,796.70 = 817,842.20/x
  3. Step 3: Cross multiply
    1,148,772.92x = 1,585,796.70 × 817,842.20
  4. Step 4: Simplify right side
    1,148,772.92x = 1,296,931,461,880.74
  5. Step 5: Solve for x
    x = 1,296,931,461,880.74/1,148,772.92
  6. Step 6: Final answer
    x = 1,128,971.13

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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.