Home / 1,420,529.67-1,960,330.86-767,155.64

Finding the Fourth Proportional to 1,420,529.67, 1,960,330.86 and 767,155.64

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Solution

The fourth proportional to 1,420,529.67, 1,960,330.86 and 767,155.64 is: 1,058,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,529.67 : 1,960,330.86 = 767,155.64 : x
  2. Step 2: Convert to fraction form
    1,420,529.67/1,960,330.86 = 767,155.64/x
  3. Step 3: Cross multiply
    1,420,529.67x = 1,960,330.86 × 767,155.64
  4. Step 4: Simplify right side
    1,420,529.67x = 1,503,878,875,515.05
  5. Step 5: Solve for x
    x = 1,503,878,875,515.05/1,420,529.67
  6. Step 6: Final answer
    x = 1,058,674.74

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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.