Home / 1,413,968.79-2,120,679.39-549,402.21

Finding the Fourth Proportional to 1,413,968.79, 2,120,679.39 and 549,402.21

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Solution

The fourth proportional to 1,413,968.79, 2,120,679.39 and 549,402.21 is: 823,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,968.79 : 2,120,679.39 = 549,402.21 : x
  2. Step 2: Convert to fraction form
    1,413,968.79/2,120,679.39 = 549,402.21/x
  3. Step 3: Cross multiply
    1,413,968.79x = 2,120,679.39 × 549,402.21
  4. Step 4: Simplify right side
    1,413,968.79x = 1,165,105,943,567.45
  5. Step 5: Solve for x
    x = 1,165,105,943,567.45/1,413,968.79
  6. Step 6: Final answer
    x = 823,996.93

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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.