Home / 1,680,749.40-2,521,124.16-615,359.64

Finding the Fourth Proportional to 1,680,749.40, 2,521,124.16 and 615,359.64

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Solution

The fourth proportional to 1,680,749.40, 2,521,124.16 and 615,359.64 is: 923,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,749.40 : 2,521,124.16 = 615,359.64 : x
  2. Step 2: Convert to fraction form
    1,680,749.40/2,521,124.16 = 615,359.64/x
  3. Step 3: Cross multiply
    1,680,749.40x = 2,521,124.16 × 615,359.64
  4. Step 4: Simplify right side
    1,680,749.40x = 1,551,398,055,492.90
  5. Step 5: Solve for x
    x = 1,551,398,055,492.90/1,680,749.40
  6. Step 6: Final answer
    x = 923,039.48

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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.