Home / 1,403,485.84-2,104,906.38-392,678.74

Finding the Fourth Proportional to 1,403,485.84, 2,104,906.38 and 392,678.74

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Solution

The fourth proportional to 1,403,485.84, 2,104,906.38 and 392,678.74 is: 588,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,485.84 : 2,104,906.38 = 392,678.74 : x
  2. Step 2: Convert to fraction form
    1,403,485.84/2,104,906.38 = 392,678.74/x
  3. Step 3: Cross multiply
    1,403,485.84x = 2,104,906.38 × 392,678.74
  4. Step 4: Simplify right side
    1,403,485.84x = 826,551,985,116.36
  5. Step 5: Solve for x
    x = 826,551,985,116.36/1,403,485.84
  6. Step 6: Final answer
    x = 588,927.91

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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.