Home / 1,170,756.32-1,615,675.21-661,447.76

Finding the Fourth Proportional to 1,170,756.32, 1,615,675.21 and 661,447.76

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Solution

The fourth proportional to 1,170,756.32, 1,615,675.21 and 661,447.76 is: 912,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,756.32 : 1,615,675.21 = 661,447.76 : x
  2. Step 2: Convert to fraction form
    1,170,756.32/1,615,675.21 = 661,447.76/x
  3. Step 3: Cross multiply
    1,170,756.32x = 1,615,675.21 × 661,447.76
  4. Step 4: Simplify right side
    1,170,756.32x = 1,068,684,738,810.03
  5. Step 5: Solve for x
    x = 1,068,684,738,810.03/1,170,756.32
  6. Step 6: Final answer
    x = 912,815.69

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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.