Home / 1,212,430.29-1,818,645.13-413,711.77

Finding the Fourth Proportional to 1,212,430.29, 1,818,645.13 and 413,711.77

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Solution

The fourth proportional to 1,212,430.29, 1,818,645.13 and 413,711.77 is: 620,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,430.29 : 1,818,645.13 = 413,711.77 : x
  2. Step 2: Convert to fraction form
    1,212,430.29/1,818,645.13 = 413,711.77/x
  3. Step 3: Cross multiply
    1,212,430.29x = 1,818,645.13 × 413,711.77
  4. Step 4: Simplify right side
    1,212,430.29x = 752,394,884,572.40
  5. Step 5: Solve for x
    x = 752,394,884,572.40/1,212,430.29
  6. Step 6: Final answer
    x = 620,567.54

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1.5x scale

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.