Home / 1,263,928.80-1,744,242.48-754,675.68

Finding the Fourth Proportional to 1,263,928.80, 1,744,242.48 and 754,675.68

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Solution

The fourth proportional to 1,263,928.80, 1,744,242.48 and 754,675.68 is: 1,041,464.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,928.80 : 1,744,242.48 = 754,675.68 : x
  2. Step 2: Convert to fraction form
    1,263,928.80/1,744,242.48 = 754,675.68/x
  3. Step 3: Cross multiply
    1,263,928.80x = 1,744,242.48 × 754,675.68
  4. Step 4: Simplify right side
    1,263,928.80x = 1,316,337,379,678.89
  5. Step 5: Solve for x
    x = 1,316,337,379,678.89/1,263,928.80
  6. Step 6: Final answer
    x = 1,041,464.82

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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.