Home / 1,513,258.12-2,270,219.28-448,383.52

Finding the Fourth Proportional to 1,513,258.12, 2,270,219.28 and 448,383.52

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Solution

The fourth proportional to 1,513,258.12, 2,270,219.28 and 448,383.52 is: 672,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,258.12 : 2,270,219.28 = 448,383.52 : x
  2. Step 2: Convert to fraction form
    1,513,258.12/2,270,219.28 = 448,383.52/x
  3. Step 3: Cross multiply
    1,513,258.12x = 2,270,219.28 × 448,383.52
  4. Step 4: Simplify right side
    1,513,258.12x = 1,017,928,911,938.27
  5. Step 5: Solve for x
    x = 1,017,928,911,938.27/1,513,258.12
  6. Step 6: Final answer
    x = 672,673.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.