Home / 1,821,258.74-2,513,666.07-1,086,260.15

Finding the Fourth Proportional to 1,821,258.74, 2,513,666.07 and 1,086,260.15

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Solution

The fourth proportional to 1,821,258.74, 2,513,666.07 and 1,086,260.15 is: 1,499,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,258.74 : 2,513,666.07 = 1,086,260.15 : x
  2. Step 2: Convert to fraction form
    1,821,258.74/2,513,666.07 = 1,086,260.15/x
  3. Step 3: Cross multiply
    1,821,258.74x = 2,513,666.07 × 1,086,260.15
  4. Step 4: Simplify right side
    1,821,258.74x = 2,730,495,288,532.28
  5. Step 5: Solve for x
    x = 2,730,495,288,532.28/1,821,258.74
  6. Step 6: Final answer
    x = 1,499,235.24

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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.