Home / 1,689,802.11-2,534,678.55-410,419.44

Finding the Fourth Proportional to 1,689,802.11, 2,534,678.55 and 410,419.44

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Solution

The fourth proportional to 1,689,802.11, 2,534,678.55 and 410,419.44 is: 615,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,802.11 : 2,534,678.55 = 410,419.44 : x
  2. Step 2: Convert to fraction form
    1,689,802.11/2,534,678.55 = 410,419.44/x
  3. Step 3: Cross multiply
    1,689,802.11x = 2,534,678.55 × 410,419.44
  4. Step 4: Simplify right side
    1,689,802.11x = 1,040,281,351,071.01
  5. Step 5: Solve for x
    x = 1,040,281,351,071.01/1,689,802.11
  6. Step 6: Final answer
    x = 615,623.18

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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.