Home / 1,266,880.35-1,748,468.82-776,763.17

Finding the Fourth Proportional to 1,266,880.35, 1,748,468.82 and 776,763.17

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Solution

The fourth proportional to 1,266,880.35, 1,748,468.82 and 776,763.17 is: 1,072,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,880.35 : 1,748,468.82 = 776,763.17 : x
  2. Step 2: Convert to fraction form
    1,266,880.35/1,748,468.82 = 776,763.17/x
  3. Step 3: Cross multiply
    1,266,880.35x = 1,748,468.82 × 776,763.17
  4. Step 4: Simplify right side
    1,266,880.35x = 1,358,146,174,527.02
  5. Step 5: Solve for x
    x = 1,358,146,174,527.02/1,266,880.35
  6. Step 6: Final answer
    x = 1,072,039.81

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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.