Home / 1,438,215.51-2,156,762.55-539,167.14

Finding the Fourth Proportional to 1,438,215.51, 2,156,762.55 and 539,167.14

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Solution

The fourth proportional to 1,438,215.51, 2,156,762.55 and 539,167.14 is: 808,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,215.51 : 2,156,762.55 = 539,167.14 : x
  2. Step 2: Convert to fraction form
    1,438,215.51/2,156,762.55 = 539,167.14/x
  3. Step 3: Cross multiply
    1,438,215.51x = 2,156,762.55 × 539,167.14
  4. Step 4: Simplify right side
    1,438,215.51x = 1,162,855,495,742.61
  5. Step 5: Solve for x
    x = 1,162,855,495,742.61/1,438,215.51
  6. Step 6: Final answer
    x = 808,540.51

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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.