Home / 1,489,348.66-2,234,777.51-679,643.35

Finding the Fourth Proportional to 1,489,348.66, 2,234,777.51 and 679,643.35

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Solution

The fourth proportional to 1,489,348.66, 2,234,777.51 and 679,643.35 is: 1,019,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,348.66 : 2,234,777.51 = 679,643.35 : x
  2. Step 2: Convert to fraction form
    1,489,348.66/2,234,777.51 = 679,643.35/x
  3. Step 3: Cross multiply
    1,489,348.66x = 2,234,777.51 × 679,643.35
  4. Step 4: Simplify right side
    1,489,348.66x = 1,518,851,673,401.06
  5. Step 5: Solve for x
    x = 1,518,851,673,401.06/1,489,348.66
  6. Step 6: Final answer
    x = 1,019,809.34

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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.