Home / 1,286,655.60-1,775,550.42-742,773

Finding the Fourth Proportional to 1,286,655.60, 1,775,550.42 and 742,773

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Solution

The fourth proportional to 1,286,655.60, 1,775,550.42 and 742,773 is: 1,025,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,655.60 : 1,775,550.42 = 742,773 : x
  2. Step 2: Convert to fraction form
    1,286,655.60/1,775,550.42 = 742,773/x
  3. Step 3: Cross multiply
    1,286,655.60x = 1,775,550.42 × 742,773
  4. Step 4: Simplify right side
    1,286,655.60x = 1,318,830,912,114.66
  5. Step 5: Solve for x
    x = 1,318,830,912,114.66/1,286,655.60
  6. Step 6: Final answer
    x = 1,025,006.93

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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.