Home / 1,402,049.56-1,934,829.30-757,469.40

Finding the Fourth Proportional to 1,402,049.56, 1,934,829.30 and 757,469.40

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Solution

The fourth proportional to 1,402,049.56, 1,934,829.30 and 757,469.40 is: 1,045,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,049.56 : 1,934,829.30 = 757,469.40 : x
  2. Step 2: Convert to fraction form
    1,402,049.56/1,934,829.30 = 757,469.40/x
  3. Step 3: Cross multiply
    1,402,049.56x = 1,934,829.30 × 757,469.40
  4. Step 4: Simplify right side
    1,402,049.56x = 1,465,573,988,973.42
  5. Step 5: Solve for x
    x = 1,465,573,988,973.42/1,402,049.56
  6. Step 6: Final answer
    x = 1,045,308.26

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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.