Home / 1,518,899.64-2,278,695.06-808,553.40

Finding the Fourth Proportional to 1,518,899.64, 2,278,695.06 and 808,553.40

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Solution

The fourth proportional to 1,518,899.64, 2,278,695.06 and 808,553.40 is: 1,213,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,899.64 : 2,278,695.06 = 808,553.40 : x
  2. Step 2: Convert to fraction form
    1,518,899.64/2,278,695.06 = 808,553.40/x
  3. Step 3: Cross multiply
    1,518,899.64x = 2,278,695.06 × 808,553.40
  4. Step 4: Simplify right side
    1,518,899.64x = 1,842,446,638,326.20
  5. Step 5: Solve for x
    x = 1,842,446,638,326.20/1,518,899.64
  6. Step 6: Final answer
    x = 1,213,014.07

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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.