Home / 1,284,010.60-1,926,015.90-910,762.60

Finding the Fourth Proportional to 1,284,010.60, 1,926,015.90 and 910,762.60

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Solution

The fourth proportional to 1,284,010.60, 1,926,015.90 and 910,762.60 is: 1,366,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,010.60 : 1,926,015.90 = 910,762.60 : x
  2. Step 2: Convert to fraction form
    1,284,010.60/1,926,015.90 = 910,762.60/x
  3. Step 3: Cross multiply
    1,284,010.60x = 1,926,015.90 × 910,762.60
  4. Step 4: Simplify right side
    1,284,010.60x = 1,754,143,248,725.34
  5. Step 5: Solve for x
    x = 1,754,143,248,725.34/1,284,010.60
  6. Step 6: Final answer
    x = 1,366,143.90

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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.