Home / 1,283,878.64-1,771,730.82-710,906.48

Finding the Fourth Proportional to 1,283,878.64, 1,771,730.82 and 710,906.48

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Solution

The fourth proportional to 1,283,878.64, 1,771,730.82 and 710,906.48 is: 981,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,878.64 : 1,771,730.82 = 710,906.48 : x
  2. Step 2: Convert to fraction form
    1,283,878.64/1,771,730.82 = 710,906.48/x
  3. Step 3: Cross multiply
    1,283,878.64x = 1,771,730.82 × 710,906.48
  4. Step 4: Simplify right side
    1,283,878.64x = 1,259,534,920,753.71
  5. Step 5: Solve for x
    x = 1,259,534,920,753.71/1,283,878.64
  6. Step 6: Final answer
    x = 981,038.92

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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.