Home / 1,408,946.59-2,113,507.77-398,145.97

Finding the Fourth Proportional to 1,408,946.59, 2,113,507.77 and 398,145.97

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Solution

The fourth proportional to 1,408,946.59, 2,113,507.77 and 398,145.97 is: 597,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,946.59 : 2,113,507.77 = 398,145.97 : x
  2. Step 2: Convert to fraction form
    1,408,946.59/2,113,507.77 = 398,145.97/x
  3. Step 3: Cross multiply
    1,408,946.59x = 2,113,507.77 × 398,145.97
  4. Step 4: Simplify right side
    1,408,946.59x = 841,484,601,189.19
  5. Step 5: Solve for x
    x = 841,484,601,189.19/1,408,946.59
  6. Step 6: Final answer
    x = 597,243.79

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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.