Home / 1,680,775.30-2,521,172.18-418,602.93

Finding the Fourth Proportional to 1,680,775.30, 2,521,172.18 and 418,602.93

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Solution

The fourth proportional to 1,680,775.30, 2,521,172.18 and 418,602.93 is: 627,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,775.30 : 2,521,172.18 = 418,602.93 : x
  2. Step 2: Convert to fraction form
    1,680,775.30/2,521,172.18 = 418,602.93/x
  3. Step 3: Cross multiply
    1,680,775.30x = 2,521,172.18 × 418,602.93
  4. Step 4: Simplify right side
    1,680,775.30x = 1,055,370,061,582.49
  5. Step 5: Solve for x
    x = 1,055,370,061,582.49/1,680,775.30
  6. Step 6: Final answer
    x = 627,906.69

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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.