Home / 1,750,401.80-2,625,602.70-420,705.80

Finding the Fourth Proportional to 1,750,401.80, 2,625,602.70 and 420,705.80

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Solution

The fourth proportional to 1,750,401.80, 2,625,602.70 and 420,705.80 is: 631,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,401.80 : 2,625,602.70 = 420,705.80 : x
  2. Step 2: Convert to fraction form
    1,750,401.80/2,625,602.70 = 420,705.80/x
  3. Step 3: Cross multiply
    1,750,401.80x = 2,625,602.70 × 420,705.80
  4. Step 4: Simplify right side
    1,750,401.80x = 1,104,606,284,385.66
  5. Step 5: Solve for x
    x = 1,104,606,284,385.66/1,750,401.80
  6. Step 6: Final answer
    x = 631,058.70

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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.