Home / 1,749,779.80-2,624,669.52-420,083.80

Finding the Fourth Proportional to 1,749,779.80, 2,624,669.52 and 420,083.80

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Solution

The fourth proportional to 1,749,779.80, 2,624,669.52 and 420,083.80 is: 630,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,779.80 : 2,624,669.52 = 420,083.80 : x
  2. Step 2: Convert to fraction form
    1,749,779.80/2,624,669.52 = 420,083.80/x
  3. Step 3: Cross multiply
    1,749,779.80x = 2,624,669.52 × 420,083.80
  4. Step 4: Simplify right side
    1,749,779.80x = 1,102,581,145,705.78
  5. Step 5: Solve for x
    x = 1,102,581,145,705.78/1,749,779.80
  6. Step 6: Final answer
    x = 630,125.66

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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.