Home / 1,425,224.55-1,966,785.56-771,845.27

Finding the Fourth Proportional to 1,425,224.55, 1,966,785.56 and 771,845.27

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Solution

The fourth proportional to 1,425,224.55, 1,966,785.56 and 771,845.27 is: 1,065,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,224.55 : 1,966,785.56 = 771,845.27 : x
  2. Step 2: Convert to fraction form
    1,425,224.55/1,966,785.56 = 771,845.27/x
  3. Step 3: Cross multiply
    1,425,224.55x = 1,966,785.56 × 771,845.27
  4. Step 4: Simplify right side
    1,425,224.55x = 1,518,054,117,897.15
  5. Step 5: Solve for x
    x = 1,518,054,117,897.15/1,425,224.55
  6. Step 6: Final answer
    x = 1,065,133.29

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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.