Home / 1,170,072.90-1,755,109.35-459,864.90

Finding the Fourth Proportional to 1,170,072.90, 1,755,109.35 and 459,864.90

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Solution

The fourth proportional to 1,170,072.90, 1,755,109.35 and 459,864.90 is: 689,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072.90 : 1,755,109.35 = 459,864.90 : x
  2. Step 2: Convert to fraction form
    1,170,072.90/1,755,109.35 = 459,864.90/x
  3. Step 3: Cross multiply
    1,170,072.90x = 1,755,109.35 × 459,864.90
  4. Step 4: Simplify right side
    1,170,072.90x = 807,113,185,726.82
  5. Step 5: Solve for x
    x = 807,113,185,726.82/1,170,072.90
  6. Step 6: Final answer
    x = 689,797.35

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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.