Home / 1,413,553.76-2,120,434.32-402,656.48

Finding the Fourth Proportional to 1,413,553.76, 2,120,434.32 and 402,656.48

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Solution

The fourth proportional to 1,413,553.76, 2,120,434.32 and 402,656.48 is: 604,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,553.76 : 2,120,434.32 = 402,656.48 : x
  2. Step 2: Convert to fraction form
    1,413,553.76/2,120,434.32 = 402,656.48/x
  3. Step 3: Cross multiply
    1,413,553.76x = 2,120,434.32 × 402,656.48
  4. Step 4: Simplify right side
    1,413,553.76x = 853,806,619,362.39
  5. Step 5: Solve for x
    x = 853,806,619,362.39/1,413,553.76
  6. Step 6: Final answer
    x = 604,014.25

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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.