Home / 1,215,252-1,676,996.64-698,966.91

Finding the Fourth Proportional to 1,215,252, 1,676,996.64 and 698,966.91

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Solution

The fourth proportional to 1,215,252, 1,676,996.64 and 698,966.91 is: 964,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,252 : 1,676,996.64 = 698,966.91 : x
  2. Step 2: Convert to fraction form
    1,215,252/1,676,996.64 = 698,966.91/x
  3. Step 3: Cross multiply
    1,215,252x = 1,676,996.64 × 698,966.91
  4. Step 4: Simplify right side
    1,215,252x = 1,172,165,159,541.18
  5. Step 5: Solve for x
    x = 1,172,165,159,541.18/1,215,252
  6. Step 6: Final answer
    x = 964,544.93

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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.