Home / 1,075,475.04-1,613,212.80-443,694.72

Finding the Fourth Proportional to 1,075,475.04, 1,613,212.80 and 443,694.72

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Solution

The fourth proportional to 1,075,475.04, 1,613,212.80 and 443,694.72 is: 665,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,475.04 : 1,613,212.80 = 443,694.72 : x
  2. Step 2: Convert to fraction form
    1,075,475.04/1,613,212.80 = 443,694.72/x
  3. Step 3: Cross multiply
    1,075,475.04x = 1,613,212.80 × 443,694.72
  4. Step 4: Simplify right side
    1,075,475.04x = 715,774,001,596.42
  5. Step 5: Solve for x
    x = 715,774,001,596.42/1,075,475.04
  6. Step 6: Final answer
    x = 665,542.18

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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.