Home / 1,143,712.68-1,715,070.60-385,412.82

Finding the Fourth Proportional to 1,143,712.68, 1,715,070.60 and 385,412.82

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Solution

The fourth proportional to 1,143,712.68, 1,715,070.60 and 385,412.82 is: 577,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,712.68 : 1,715,070.60 = 385,412.82 : x
  2. Step 2: Convert to fraction form
    1,143,712.68/1,715,070.60 = 385,412.82/x
  3. Step 3: Cross multiply
    1,143,712.68x = 1,715,070.60 × 385,412.82
  4. Step 4: Simplify right side
    1,143,712.68x = 661,010,196,445.09
  5. Step 5: Solve for x
    x = 661,010,196,445.09/1,143,712.68
  6. Step 6: Final answer
    x = 577,951.27

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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.