Home / 950,511.78-1,312,871.58-769,428.18

Finding the Fourth Proportional to 950,511.78, 1,312,871.58 and 769,428.18

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Solution

The fourth proportional to 950,511.78, 1,312,871.58 and 769,428.18 is: 1,062,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,511.78 : 1,312,871.58 = 769,428.18 : x
  2. Step 2: Convert to fraction form
    950,511.78/1,312,871.58 = 769,428.18/x
  3. Step 3: Cross multiply
    950,511.78x = 1,312,871.58 × 769,428.18
  4. Step 4: Simplify right side
    950,511.78x = 1,010,160,390,373.12
  5. Step 5: Solve for x
    x = 1,010,160,390,373.12/950,511.78
  6. Step 6: Final answer
    x = 1,062,754.20

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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.