Home / 1,055,400.40-1,582,979.10-307,446.40

Finding the Fourth Proportional to 1,055,400.40, 1,582,979.10 and 307,446.40

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Solution

The fourth proportional to 1,055,400.40, 1,582,979.10 and 307,446.40 is: 461,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,400.40 : 1,582,979.10 = 307,446.40 : x
  2. Step 2: Convert to fraction form
    1,055,400.40/1,582,979.10 = 307,446.40/x
  3. Step 3: Cross multiply
    1,055,400.40x = 1,582,979.10 × 307,446.40
  4. Step 4: Simplify right side
    1,055,400.40x = 486,681,225,570.24
  5. Step 5: Solve for x
    x = 486,681,225,570.24/1,055,400.40
  6. Step 6: Final answer
    x = 461,134.21

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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.