Home / 1,383,597.12-2,075,284.88-615,332.70

Finding the Fourth Proportional to 1,383,597.12, 2,075,284.88 and 615,332.70

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Solution

The fourth proportional to 1,383,597.12, 2,075,284.88 and 615,332.70 is: 922,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,597.12 : 2,075,284.88 = 615,332.70 : x
  2. Step 2: Convert to fraction form
    1,383,597.12/2,075,284.88 = 615,332.70/x
  3. Step 3: Cross multiply
    1,383,597.12x = 2,075,284.88 × 615,332.70
  4. Step 4: Simplify right side
    1,383,597.12x = 1,276,990,645,402.91
  5. Step 5: Solve for x
    x = 1,276,990,645,402.91/1,383,597.12
  6. Step 6: Final answer
    x = 922,949.77

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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.