Home / 1,264,870.70-1,745,241.86-774,943.72

Finding the Fourth Proportional to 1,264,870.70, 1,745,241.86 and 774,943.72

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Solution

The fourth proportional to 1,264,870.70, 1,745,241.86 and 774,943.72 is: 1,069,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,870.70 : 1,745,241.86 = 774,943.72 : x
  2. Step 2: Convert to fraction form
    1,264,870.70/1,745,241.86 = 774,943.72/x
  3. Step 3: Cross multiply
    1,264,870.70x = 1,745,241.86 × 774,943.72
  4. Step 4: Simplify right side
    1,264,870.70x = 1,352,464,219,288.12
  5. Step 5: Solve for x
    x = 1,352,464,219,288.12/1,264,870.70
  6. Step 6: Final answer
    x = 1,069,250.97

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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.