Home / 1,676,283.24-2,313,319.92-912,386.28

Finding the Fourth Proportional to 1,676,283.24, 2,313,319.92 and 912,386.28

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Solution

The fourth proportional to 1,676,283.24, 2,313,319.92 and 912,386.28 is: 1,259,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,283.24 : 2,313,319.92 = 912,386.28 : x
  2. Step 2: Convert to fraction form
    1,676,283.24/2,313,319.92 = 912,386.28/x
  3. Step 3: Cross multiply
    1,676,283.24x = 2,313,319.92 × 912,386.28
  4. Step 4: Simplify right side
    1,676,283.24x = 2,110,641,356,258.70
  5. Step 5: Solve for x
    x = 2,110,641,356,258.70/1,676,283.24
  6. Step 6: Final answer
    x = 1,259,119.76

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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.