Home / 1,489,348.39-2,234,777.10-679,643.08

Finding the Fourth Proportional to 1,489,348.39, 2,234,777.10 and 679,643.08

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Solution

The fourth proportional to 1,489,348.39, 2,234,777.10 and 679,643.08 is: 1,019,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,348.39 : 2,234,777.10 = 679,643.08 : x
  2. Step 2: Convert to fraction form
    1,489,348.39/2,234,777.10 = 679,643.08/x
  3. Step 3: Cross multiply
    1,489,348.39x = 2,234,777.10 × 679,643.08
  4. Step 4: Simplify right side
    1,489,348.39x = 1,518,850,785,770.53
  5. Step 5: Solve for x
    x = 1,518,850,785,770.53/1,489,348.39
  6. Step 6: Final answer
    x = 1,019,808.93

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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.