Home / 1,408,947.09-2,113,508.52-398,146.47

Finding the Fourth Proportional to 1,408,947.09, 2,113,508.52 and 398,146.47

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Solution

The fourth proportional to 1,408,947.09, 2,113,508.52 and 398,146.47 is: 597,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,947.09 : 2,113,508.52 = 398,146.47 : x
  2. Step 2: Convert to fraction form
    1,408,947.09/2,113,508.52 = 398,146.47/x
  3. Step 3: Cross multiply
    1,408,947.09x = 2,113,508.52 × 398,146.47
  4. Step 4: Simplify right side
    1,408,947.09x = 841,485,956,552.92
  5. Step 5: Solve for x
    x = 841,485,956,552.92/1,408,947.09
  6. Step 6: Final answer
    x = 597,244.54

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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.