Home / 1,377,313.20-2,065,969.80-997,431.30

Finding the Fourth Proportional to 1,377,313.20, 2,065,969.80 and 997,431.30

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Solution

The fourth proportional to 1,377,313.20, 2,065,969.80 and 997,431.30 is: 1,496,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,313.20 : 2,065,969.80 = 997,431.30 : x
  2. Step 2: Convert to fraction form
    1,377,313.20/2,065,969.80 = 997,431.30/x
  3. Step 3: Cross multiply
    1,377,313.20x = 2,065,969.80 × 997,431.30
  4. Step 4: Simplify right side
    1,377,313.20x = 2,060,662,943,374.74
  5. Step 5: Solve for x
    x = 2,060,662,943,374.74/1,377,313.20
  6. Step 6: Final answer
    x = 1,496,146.95

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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.