Home / 1,356,309.40-2,034,464.10-788,661.40

Finding the Fourth Proportional to 1,356,309.40, 2,034,464.10 and 788,661.40

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Solution

The fourth proportional to 1,356,309.40, 2,034,464.10 and 788,661.40 is: 1,182,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,309.40 : 2,034,464.10 = 788,661.40 : x
  2. Step 2: Convert to fraction form
    1,356,309.40/2,034,464.10 = 788,661.40/x
  3. Step 3: Cross multiply
    1,356,309.40x = 2,034,464.10 × 788,661.40
  4. Step 4: Simplify right side
    1,356,309.40x = 1,604,503,305,355.74
  5. Step 5: Solve for x
    x = 1,604,503,305,355.74/1,356,309.40
  6. Step 6: Final answer
    x = 1,182,992.10

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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.