Home / 1,193,438.40-1,646,980.64-734,817.55

Finding the Fourth Proportional to 1,193,438.40, 1,646,980.64 and 734,817.55

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Solution

The fourth proportional to 1,193,438.40, 1,646,980.64 and 734,817.55 is: 1,014,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,438.40 : 1,646,980.64 = 734,817.55 : x
  2. Step 2: Convert to fraction form
    1,193,438.40/1,646,980.64 = 734,817.55/x
  3. Step 3: Cross multiply
    1,193,438.40x = 1,646,980.64 × 734,817.55
  4. Step 4: Simplify right side
    1,193,438.40x = 1,210,230,282,749.25
  5. Step 5: Solve for x
    x = 1,210,230,282,749.25/1,193,438.40
  6. Step 6: Final answer
    x = 1,014,070.17

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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.