Home / 1,120,548.16-1,681,164.64-671,768.64

Finding the Fourth Proportional to 1,120,548.16, 1,681,164.64 and 671,768.64

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Solution

The fourth proportional to 1,120,548.16, 1,681,164.64 and 671,768.64 is: 1,007,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,548.16 : 1,681,164.64 = 671,768.64 : x
  2. Step 2: Convert to fraction form
    1,120,548.16/1,681,164.64 = 671,768.64/x
  3. Step 3: Cross multiply
    1,120,548.16x = 1,681,164.64 × 671,768.64
  4. Step 4: Simplify right side
    1,120,548.16x = 1,129,353,683,828.89
  5. Step 5: Solve for x
    x = 1,129,353,683,828.89/1,120,548.16
  6. Step 6: Final answer
    x = 1,007,858.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.