Home / 1,472,456.64-2,208,734.28-407,409.60

Finding the Fourth Proportional to 1,472,456.64, 2,208,734.28 and 407,409.60

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Solution

The fourth proportional to 1,472,456.64, 2,208,734.28 and 407,409.60 is: 611,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,456.64 : 2,208,734.28 = 407,409.60 : x
  2. Step 2: Convert to fraction form
    1,472,456.64/2,208,734.28 = 407,409.60/x
  3. Step 3: Cross multiply
    1,472,456.64x = 2,208,734.28 × 407,409.60
  4. Step 4: Simplify right side
    1,472,456.64x = 899,859,549,521.09
  5. Step 5: Solve for x
    x = 899,859,549,521.09/1,472,456.64
  6. Step 6: Final answer
    x = 611,128.05

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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.