Home / 821,094.40-1,133,643.45-734,904.12

Finding the Fourth Proportional to 821,094.40, 1,133,643.45 and 734,904.12

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Solution

The fourth proportional to 821,094.40, 1,133,643.45 and 734,904.12 is: 1,014,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,094.40 : 1,133,643.45 = 734,904.12 : x
  2. Step 2: Convert to fraction form
    821,094.40/1,133,643.45 = 734,904.12/x
  3. Step 3: Cross multiply
    821,094.40x = 1,133,643.45 × 734,904.12
  4. Step 4: Simplify right side
    821,094.40x = 833,119,241,175.60
  5. Step 5: Solve for x
    x = 833,119,241,175.60/821,094.40
  6. Step 6: Final answer
    x = 1,014,644.89

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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.