Home / 1,605,741.47-2,215,719.56-880,398.32

Finding the Fourth Proportional to 1,605,741.47, 2,215,719.56 and 880,398.32

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Solution

The fourth proportional to 1,605,741.47, 2,215,719.56 and 880,398.32 is: 1,214,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,741.47 : 2,215,719.56 = 880,398.32 : x
  2. Step 2: Convert to fraction form
    1,605,741.47/2,215,719.56 = 880,398.32/x
  3. Step 3: Cross multiply
    1,605,741.47x = 2,215,719.56 × 880,398.32
  4. Step 4: Simplify right side
    1,605,741.47x = 1,950,715,769,337.54
  5. Step 5: Solve for x
    x = 1,950,715,769,337.54/1,605,741.47
  6. Step 6: Final answer
    x = 1,214,838.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.