Home / 1,014,555.96-1,521,786.55-415,369

Finding the Fourth Proportional to 1,014,555.96, 1,521,786.55 and 415,369

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Solution

The fourth proportional to 1,014,555.96, 1,521,786.55 and 415,369 is: 623,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,555.96 : 1,521,786.55 = 415,369 : x
  2. Step 2: Convert to fraction form
    1,014,555.96/1,521,786.55 = 415,369/x
  3. Step 3: Cross multiply
    1,014,555.96x = 1,521,786.55 × 415,369
  4. Step 4: Simplify right side
    1,014,555.96x = 632,102,957,486.95
  5. Step 5: Solve for x
    x = 632,102,957,486.95/1,014,555.96
  6. Step 6: Final answer
    x = 623,034.10

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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.