Home / 1,408,881.36-2,113,409.98-398,080.95

Finding the Fourth Proportional to 1,408,881.36, 2,113,409.98 and 398,080.95

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Solution

The fourth proportional to 1,408,881.36, 2,113,409.98 and 398,080.95 is: 597,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,881.36 : 2,113,409.98 = 398,080.95 : x
  2. Step 2: Convert to fraction form
    1,408,881.36/2,113,409.98 = 398,080.95/x
  3. Step 3: Cross multiply
    1,408,881.36x = 2,113,409.98 × 398,080.95
  4. Step 4: Simplify right side
    1,408,881.36x = 841,308,245,150.20
  5. Step 5: Solve for x
    x = 841,308,245,150.20/1,408,881.36
  6. Step 6: Final answer
    x = 597,146.27

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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.