Home / 1,050,586.80-1,575,419.40-419,290.80

Finding the Fourth Proportional to 1,050,586.80, 1,575,419.40 and 419,290.80

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Solution

The fourth proportional to 1,050,586.80, 1,575,419.40 and 419,290.80 is: 628,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,586.80 : 1,575,419.40 = 419,290.80 : x
  2. Step 2: Convert to fraction form
    1,050,586.80/1,575,419.40 = 419,290.80/x
  3. Step 3: Cross multiply
    1,050,586.80x = 1,575,419.40 × 419,290.80
  4. Step 4: Simplify right side
    1,050,586.80x = 660,558,860,561.52
  5. Step 5: Solve for x
    x = 660,558,860,561.52/1,050,586.80
  6. Step 6: Final answer
    x = 628,752.29

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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.