Home / 1,283,855.60-1,771,699.10-710,883.47

Finding the Fourth Proportional to 1,283,855.60, 1,771,699.10 and 710,883.47

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Solution

The fourth proportional to 1,283,855.60, 1,771,699.10 and 710,883.47 is: 981,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,855.60 : 1,771,699.10 = 710,883.47 : x
  2. Step 2: Convert to fraction form
    1,283,855.60/1,771,699.10 = 710,883.47/x
  3. Step 3: Cross multiply
    1,283,855.60x = 1,771,699.10 × 710,883.47
  4. Step 4: Simplify right side
    1,283,855.60x = 1,259,471,604,878.71
  5. Step 5: Solve for x
    x = 1,259,471,604,878.71/1,283,855.60
  6. Step 6: Final answer
    x = 981,007.21

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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.