Home / 1,521,478.94-2,282,440.95-456,605.15

Finding the Fourth Proportional to 1,521,478.94, 2,282,440.95 and 456,605.15

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Solution

The fourth proportional to 1,521,478.94, 2,282,440.95 and 456,605.15 is: 684,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,478.94 : 2,282,440.95 = 456,605.15 : x
  2. Step 2: Convert to fraction form
    1,521,478.94/2,282,440.95 = 456,605.15/x
  3. Step 3: Cross multiply
    1,521,478.94x = 2,282,440.95 × 456,605.15
  4. Step 4: Simplify right side
    1,521,478.94x = 1,042,174,280,928.69
  5. Step 5: Solve for x
    x = 1,042,174,280,928.69/1,521,478.94
  6. Step 6: Final answer
    x = 684,974.51

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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.