Home / 1,680,509.70-2,521,748.70-615,659.40

Finding the Fourth Proportional to 1,680,509.70, 2,521,748.70 and 615,659.40

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Solution

The fourth proportional to 1,680,509.70, 2,521,748.70 and 615,659.40 is: 923,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,509.70 : 2,521,748.70 = 615,659.40 : x
  2. Step 2: Convert to fraction form
    1,680,509.70/2,521,748.70 = 615,659.40/x
  3. Step 3: Cross multiply
    1,680,509.70x = 2,521,748.70 × 615,659.40
  4. Step 4: Simplify right side
    1,680,509.70x = 1,552,538,291,592.78
  5. Step 5: Solve for x
    x = 1,552,538,291,592.78/1,680,509.70
  6. Step 6: Final answer
    x = 923,849.65

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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.