Home / 1,055,572.20-1,583,358.30-256,847.40

Finding the Fourth Proportional to 1,055,572.20, 1,583,358.30 and 256,847.40

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Solution

The fourth proportional to 1,055,572.20, 1,583,358.30 and 256,847.40 is: 385,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,572.20 : 1,583,358.30 = 256,847.40 : x
  2. Step 2: Convert to fraction form
    1,055,572.20/1,583,358.30 = 256,847.40/x
  3. Step 3: Cross multiply
    1,055,572.20x = 1,583,358.30 × 256,847.40
  4. Step 4: Simplify right side
    1,055,572.20x = 406,681,462,623.42
  5. Step 5: Solve for x
    x = 406,681,462,623.42/1,055,572.20
  6. Step 6: Final answer
    x = 385,271.10

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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.