Home / 1,658,720.88-2,488,076.92-460,643.76

Finding the Fourth Proportional to 1,658,720.88, 2,488,076.92 and 460,643.76

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Solution

The fourth proportional to 1,658,720.88, 2,488,076.92 and 460,643.76 is: 690,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,720.88 : 2,488,076.92 = 460,643.76 : x
  2. Step 2: Convert to fraction form
    1,658,720.88/2,488,076.92 = 460,643.76/x
  3. Step 3: Cross multiply
    1,658,720.88x = 2,488,076.92 × 460,643.76
  4. Step 4: Simplify right side
    1,658,720.88x = 1,146,117,107,598.02
  5. Step 5: Solve for x
    x = 1,146,117,107,598.02/1,658,720.88
  6. Step 6: Final answer
    x = 690,964.42

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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.