Home / 1,345,298.42-2,017,353.92-385,536.21

Finding the Fourth Proportional to 1,345,298.42, 2,017,353.92 and 385,536.21

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Solution

The fourth proportional to 1,345,298.42, 2,017,353.92 and 385,536.21 is: 578,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,298.42 : 2,017,353.92 = 385,536.21 : x
  2. Step 2: Convert to fraction form
    1,345,298.42/2,017,353.92 = 385,536.21/x
  3. Step 3: Cross multiply
    1,345,298.42x = 2,017,353.92 × 385,536.21
  4. Step 4: Simplify right side
    1,345,298.42x = 777,762,975,594.87
  5. Step 5: Solve for x
    x = 777,762,975,594.87/1,345,298.42
  6. Step 6: Final answer
    x = 578,134.16

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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.