Home / 1,358,047.12-1,873,402.26-922,486.90

Finding the Fourth Proportional to 1,358,047.12, 1,873,402.26 and 922,486.90

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Solution

The fourth proportional to 1,358,047.12, 1,873,402.26 and 922,486.90 is: 1,272,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,047.12 : 1,873,402.26 = 922,486.90 : x
  2. Step 2: Convert to fraction form
    1,358,047.12/1,873,402.26 = 922,486.90/x
  3. Step 3: Cross multiply
    1,358,047.12x = 1,873,402.26 × 922,486.90
  4. Step 4: Simplify right side
    1,358,047.12x = 1,728,189,043,280.39
  5. Step 5: Solve for x
    x = 1,728,189,043,280.39/1,358,047.12
  6. Step 6: Final answer
    x = 1,272,554.55

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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.