Home / 1,055,596.20-1,583,394.30-256,871.40

Finding the Fourth Proportional to 1,055,596.20, 1,583,394.30 and 256,871.40

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Solution

The fourth proportional to 1,055,596.20, 1,583,394.30 and 256,871.40 is: 385,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,596.20 : 1,583,394.30 = 256,871.40 : x
  2. Step 2: Convert to fraction form
    1,055,596.20/1,583,394.30 = 256,871.40/x
  3. Step 3: Cross multiply
    1,055,596.20x = 1,583,394.30 × 256,871.40
  4. Step 4: Simplify right side
    1,055,596.20x = 406,728,710,593.02
  5. Step 5: Solve for x
    x = 406,728,710,593.02/1,055,596.20
  6. Step 6: Final answer
    x = 385,307.10

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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.