Home / 1,126,231.38-1,552,953.93-717,686.10

Finding the Fourth Proportional to 1,126,231.38, 1,552,953.93 and 717,686.10

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Solution

The fourth proportional to 1,126,231.38, 1,552,953.93 and 717,686.10 is: 989,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,231.38 : 1,552,953.93 = 717,686.10 : x
  2. Step 2: Convert to fraction form
    1,126,231.38/1,552,953.93 = 717,686.10/x
  3. Step 3: Cross multiply
    1,126,231.38x = 1,552,953.93 × 717,686.10
  4. Step 4: Simplify right side
    1,126,231.38x = 1,114,533,449,501.37
  5. Step 5: Solve for x
    x = 1,114,533,449,501.37/1,126,231.38
  6. Step 6: Final answer
    x = 989,613.21

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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.