Home / 1,298,497.37-1,947,843.95-387,607.88

Finding the Fourth Proportional to 1,298,497.37, 1,947,843.95 and 387,607.88

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Solution

The fourth proportional to 1,298,497.37, 1,947,843.95 and 387,607.88 is: 581,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,497.37 : 1,947,843.95 = 387,607.88 : x
  2. Step 2: Convert to fraction form
    1,298,497.37/1,947,843.95 = 387,607.88/x
  3. Step 3: Cross multiply
    1,298,497.37x = 1,947,843.95 × 387,607.88
  4. Step 4: Simplify right side
    1,298,497.37x = 754,999,668,052.04
  5. Step 5: Solve for x
    x = 754,999,668,052.04/1,298,497.37
  6. Step 6: Final answer
    x = 581,441.05

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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.