Home / 1,405,087.47-2,107,636.74-340,127.82

Finding the Fourth Proportional to 1,405,087.47, 2,107,636.74 and 340,127.82

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Solution

The fourth proportional to 1,405,087.47, 2,107,636.74 and 340,127.82 is: 510,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,087.47 : 2,107,636.74 = 340,127.82 : x
  2. Step 2: Convert to fraction form
    1,405,087.47/2,107,636.74 = 340,127.82/x
  3. Step 3: Cross multiply
    1,405,087.47x = 2,107,636.74 × 340,127.82
  4. Step 4: Simplify right side
    1,405,087.47x = 716,865,889,728.11
  5. Step 5: Solve for x
    x = 716,865,889,728.11/1,405,087.47
  6. Step 6: Final answer
    x = 510,193.07

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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.