Home / 1,521,492.45-2,282,461.20-456,618.66

Finding the Fourth Proportional to 1,521,492.45, 2,282,461.20 and 456,618.66

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Solution

The fourth proportional to 1,521,492.45, 2,282,461.20 and 456,618.66 is: 684,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,492.45 : 2,282,461.20 = 456,618.66 : x
  2. Step 2: Convert to fraction form
    1,521,492.45/2,282,461.20 = 456,618.66/x
  3. Step 3: Cross multiply
    1,521,492.45x = 2,282,461.20 × 456,618.66
  4. Step 4: Simplify right side
    1,521,492.45x = 1,042,214,374,645.99
  5. Step 5: Solve for x
    x = 1,042,214,374,645.99/1,521,492.45
  6. Step 6: Final answer
    x = 684,994.77

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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.