Home / 1,413,560.79-2,120,331.47-572,100.39

Finding the Fourth Proportional to 1,413,560.79, 2,120,331.47 and 572,100.39

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Solution

The fourth proportional to 1,413,560.79, 2,120,331.47 and 572,100.39 is: 858,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,560.79 : 2,120,331.47 = 572,100.39 : x
  2. Step 2: Convert to fraction form
    1,413,560.79/2,120,331.47 = 572,100.39/x
  3. Step 3: Cross multiply
    1,413,560.79x = 2,120,331.47 × 572,100.39
  4. Step 4: Simplify right side
    1,413,560.79x = 1,213,042,458,055.77
  5. Step 5: Solve for x
    x = 1,213,042,458,055.77/1,413,560.79
  6. Step 6: Final answer
    x = 858,146.65

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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.