Home / 1,420,527.67-1,960,328.11-767,153.63

Finding the Fourth Proportional to 1,420,527.67, 1,960,328.11 and 767,153.63

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Solution

The fourth proportional to 1,420,527.67, 1,960,328.11 and 767,153.63 is: 1,058,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,527.67 : 1,960,328.11 = 767,153.63 : x
  2. Step 2: Convert to fraction form
    1,420,527.67/1,960,328.11 = 767,153.63/x
  3. Step 3: Cross multiply
    1,420,527.67x = 1,960,328.11 × 767,153.63
  4. Step 4: Simplify right side
    1,420,527.67x = 1,503,872,828,560.48
  5. Step 5: Solve for x
    x = 1,503,872,828,560.48/1,420,527.67
  6. Step 6: Final answer
    x = 1,058,671.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.