Home / 1,676,142.64-2,313,032.52-912,179.80

Finding the Fourth Proportional to 1,676,142.64, 2,313,032.52 and 912,179.80

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Solution

The fourth proportional to 1,676,142.64, 2,313,032.52 and 912,179.80 is: 1,258,784.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,142.64 : 2,313,032.52 = 912,179.80 : x
  2. Step 2: Convert to fraction form
    1,676,142.64/2,313,032.52 = 912,179.80/x
  3. Step 3: Cross multiply
    1,676,142.64x = 2,313,032.52 × 912,179.80
  4. Step 4: Simplify right side
    1,676,142.64x = 2,109,901,541,487.10
  5. Step 5: Solve for x
    x = 2,109,901,541,487.10/1,676,142.64
  6. Step 6: Final answer
    x = 1,258,784.00

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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.