Home / 1,707,881.76-2,356,449.84-972,669.60

Finding the Fourth Proportional to 1,707,881.76, 2,356,449.84 and 972,669.60

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Solution

The fourth proportional to 1,707,881.76, 2,356,449.84 and 972,669.60 is: 1,342,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,881.76 : 2,356,449.84 = 972,669.60 : x
  2. Step 2: Convert to fraction form
    1,707,881.76/2,356,449.84 = 972,669.60/x
  3. Step 3: Cross multiply
    1,707,881.76x = 2,356,449.84 × 972,669.60
  4. Step 4: Simplify right side
    1,707,881.76x = 2,292,047,123,292.86
  5. Step 5: Solve for x
    x = 2,292,047,123,292.86/1,707,881.76
  6. Step 6: Final answer
    x = 1,342,040.87

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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.