Home / 1,021,035.39-1,531,561.84-291,556.72

Finding the Fourth Proportional to 1,021,035.39, 1,531,561.84 and 291,556.72

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Solution

The fourth proportional to 1,021,035.39, 1,531,561.84 and 291,556.72 is: 437,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,035.39 : 1,531,561.84 = 291,556.72 : x
  2. Step 2: Convert to fraction form
    1,021,035.39/1,531,561.84 = 291,556.72/x
  3. Step 3: Cross multiply
    1,021,035.39x = 1,531,561.84 × 291,556.72
  4. Step 4: Simplify right side
    1,021,035.39x = 446,537,140,758.10
  5. Step 5: Solve for x
    x = 446,537,140,758.10/1,021,035.39
  6. Step 6: Final answer
    x = 437,337.57

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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.