Home / 1,090,309.86-1,634,764.95-715,895.46

Finding the Fourth Proportional to 1,090,309.86, 1,634,764.95 and 715,895.46

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Solution

The fourth proportional to 1,090,309.86, 1,634,764.95 and 715,895.46 is: 1,073,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,309.86 : 1,634,764.95 = 715,895.46 : x
  2. Step 2: Convert to fraction form
    1,090,309.86/1,634,764.95 = 715,895.46/x
  3. Step 3: Cross multiply
    1,090,309.86x = 1,634,764.95 × 715,895.46
  4. Step 4: Simplify right side
    1,090,309.86x = 1,170,320,805,872.13
  5. Step 5: Solve for x
    x = 1,170,320,805,872.13/1,090,309.86
  6. Step 6: Final answer
    x = 1,073,383.68

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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.