Home / 1,283,425.56-1,771,127.78-702,686.32

Finding the Fourth Proportional to 1,283,425.56, 1,771,127.78 and 702,686.32

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Solution

The fourth proportional to 1,283,425.56, 1,771,127.78 and 702,686.32 is: 969,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,425.56 : 1,771,127.78 = 702,686.32 : x
  2. Step 2: Convert to fraction form
    1,283,425.56/1,771,127.78 = 702,686.32/x
  3. Step 3: Cross multiply
    1,283,425.56x = 1,771,127.78 × 702,686.32
  4. Step 4: Simplify right side
    1,283,425.56x = 1,244,547,261,977.97
  5. Step 5: Solve for x
    x = 1,244,547,261,977.97/1,283,425.56
  6. Step 6: Final answer
    x = 969,707.40

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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.