Home / 1,323,818.80-1,985,282.52-425,039.92

Finding the Fourth Proportional to 1,323,818.80, 1,985,282.52 and 425,039.92

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Solution

The fourth proportional to 1,323,818.80, 1,985,282.52 and 425,039.92 is: 637,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,818.80 : 1,985,282.52 = 425,039.92 : x
  2. Step 2: Convert to fraction form
    1,323,818.80/1,985,282.52 = 425,039.92/x
  3. Step 3: Cross multiply
    1,323,818.80x = 1,985,282.52 × 425,039.92
  4. Step 4: Simplify right side
    1,323,818.80x = 843,824,323,478.20
  5. Step 5: Solve for x
    x = 843,824,323,478.20/1,323,818.80
  6. Step 6: Final answer
    x = 637,416.79

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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.