Home / 1,472,588.64-2,208,636.90-407,738.34

Finding the Fourth Proportional to 1,472,588.64, 2,208,636.90 and 407,738.34

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Solution

The fourth proportional to 1,472,588.64, 2,208,636.90 and 407,738.34 is: 611,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,588.64 : 2,208,636.90 = 407,738.34 : x
  2. Step 2: Convert to fraction form
    1,472,588.64/2,208,636.90 = 407,738.34/x
  3. Step 3: Cross multiply
    1,472,588.64x = 2,208,636.90 × 407,738.34
  4. Step 4: Simplify right side
    1,472,588.64x = 900,545,943,268.75
  5. Step 5: Solve for x
    x = 900,545,943,268.75/1,472,588.64
  6. Step 6: Final answer
    x = 611,539.38

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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.