Home / 1,157,421.84-1,597,661.28-942,188.28

Finding the Fourth Proportional to 1,157,421.84, 1,597,661.28 and 942,188.28

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Solution

The fourth proportional to 1,157,421.84, 1,597,661.28 and 942,188.28 is: 1,300,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,421.84 : 1,597,661.28 = 942,188.28 : x
  2. Step 2: Convert to fraction form
    1,157,421.84/1,597,661.28 = 942,188.28/x
  3. Step 3: Cross multiply
    1,157,421.84x = 1,597,661.28 × 942,188.28
  4. Step 4: Simplify right side
    1,157,421.84x = 1,505,297,733,425.80
  5. Step 5: Solve for x
    x = 1,505,297,733,425.80/1,157,421.84
  6. Step 6: Final answer
    x = 1,300,561.02

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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.