Home / 1,170,515.13-1,615,442.16-661,250.31

Finding the Fourth Proportional to 1,170,515.13, 1,615,442.16 and 661,250.31

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Solution

The fourth proportional to 1,170,515.13, 1,615,442.16 and 661,250.31 is: 912,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,515.13 : 1,615,442.16 = 661,250.31 : x
  2. Step 2: Convert to fraction form
    1,170,515.13/1,615,442.16 = 661,250.31/x
  3. Step 3: Cross multiply
    1,170,515.13x = 1,615,442.16 × 661,250.31
  4. Step 4: Simplify right side
    1,170,515.13x = 1,068,211,621,009.86
  5. Step 5: Solve for x
    x = 1,068,211,621,009.86/1,170,515.13
  6. Step 6: Final answer
    x = 912,599.59

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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.