Home / 1,782,051.80-2,673,180.10-520,074.20

Finding the Fourth Proportional to 1,782,051.80, 2,673,180.10 and 520,074.20

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Solution

The fourth proportional to 1,782,051.80, 2,673,180.10 and 520,074.20 is: 780,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,051.80 : 2,673,180.10 = 520,074.20 : x
  2. Step 2: Convert to fraction form
    1,782,051.80/2,673,180.10 = 520,074.20/x
  3. Step 3: Cross multiply
    1,782,051.80x = 2,673,180.10 × 520,074.20
  4. Step 4: Simplify right side
    1,782,051.80x = 1,390,252,001,963.42
  5. Step 5: Solve for x
    x = 1,390,252,001,963.42/1,782,051.80
  6. Step 6: Final answer
    x = 780,141.18

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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.