Home / 1,472,579.80-2,208,623.67-407,729.50

Finding the Fourth Proportional to 1,472,579.80, 2,208,623.67 and 407,729.50

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Solution

The fourth proportional to 1,472,579.80, 2,208,623.67 and 407,729.50 is: 611,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,579.80 : 2,208,623.67 = 407,729.50 : x
  2. Step 2: Convert to fraction form
    1,472,579.80/2,208,623.67 = 407,729.50/x
  3. Step 3: Cross multiply
    1,472,579.80x = 2,208,623.67 × 407,729.50
  4. Step 4: Simplify right side
    1,472,579.80x = 900,521,022,618.62
  5. Step 5: Solve for x
    x = 900,521,022,618.62/1,472,579.80
  6. Step 6: Final answer
    x = 611,526.13

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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.