Home / 1,208,809.13-1,812,589.63-355,769.95

Finding the Fourth Proportional to 1,208,809.13, 1,812,589.63 and 355,769.95

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Solution

The fourth proportional to 1,208,809.13, 1,812,589.63 and 355,769.95 is: 533,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,809.13 : 1,812,589.63 = 355,769.95 : x
  2. Step 2: Convert to fraction form
    1,208,809.13/1,812,589.63 = 355,769.95/x
  3. Step 3: Cross multiply
    1,208,809.13x = 1,812,589.63 × 355,769.95
  4. Step 4: Simplify right side
    1,208,809.13x = 644,864,920,256.77
  5. Step 5: Solve for x
    x = 644,864,920,256.77/1,208,809.13
  6. Step 6: Final answer
    x = 533,471.25

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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.