Home / 1,008,540.60-1,513,637.10-1,000,667.40

Finding the Fourth Proportional to 1,008,540.60, 1,513,637.10 and 1,000,667.40

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Solution

The fourth proportional to 1,008,540.60, 1,513,637.10 and 1,000,667.40 is: 1,501,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,540.60 : 1,513,637.10 = 1,000,667.40 : x
  2. Step 2: Convert to fraction form
    1,008,540.60/1,513,637.10 = 1,000,667.40/x
  3. Step 3: Cross multiply
    1,008,540.60x = 1,513,637.10 × 1,000,667.40
  4. Step 4: Simplify right side
    1,008,540.60x = 1,514,647,301,400.54
  5. Step 5: Solve for x
    x = 1,514,647,301,400.54/1,008,540.60
  6. Step 6: Final answer
    x = 1,501,820.85

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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.