Home / 1,162,401.76-1,604,830.08-921,656.80

Finding the Fourth Proportional to 1,162,401.76, 1,604,830.08 and 921,656.80

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Solution

The fourth proportional to 1,162,401.76, 1,604,830.08 and 921,656.80 is: 1,272,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,401.76 : 1,604,830.08 = 921,656.80 : x
  2. Step 2: Convert to fraction form
    1,162,401.76/1,604,830.08 = 921,656.80/x
  3. Step 3: Cross multiply
    1,162,401.76x = 1,604,830.08 × 921,656.80
  4. Step 4: Simplify right side
    1,162,401.76x = 1,479,102,556,076.54
  5. Step 5: Solve for x
    x = 1,479,102,556,076.54/1,162,401.76
  6. Step 6: Final answer
    x = 1,272,453.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.