Home / 1,050,669.80-1,575,543.90-419,373.80

Finding the Fourth Proportional to 1,050,669.80, 1,575,543.90 and 419,373.80

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Solution

The fourth proportional to 1,050,669.80, 1,575,543.90 and 419,373.80 is: 628,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,669.80 : 1,575,543.90 = 419,373.80 : x
  2. Step 2: Convert to fraction form
    1,050,669.80/1,575,543.90 = 419,373.80/x
  3. Step 3: Cross multiply
    1,050,669.80x = 1,575,543.90 × 419,373.80
  4. Step 4: Simplify right side
    1,050,669.80x = 660,741,832,409.82
  5. Step 5: Solve for x
    x = 660,741,832,409.82/1,050,669.80
  6. Step 6: Final answer
    x = 628,876.77

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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.