Home / 1,283,712.61-1,771,578.76-710,752.78

Finding the Fourth Proportional to 1,283,712.61, 1,771,578.76 and 710,752.78

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Solution

The fourth proportional to 1,283,712.61, 1,771,578.76 and 710,752.78 is: 980,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,712.61 : 1,771,578.76 = 710,752.78 : x
  2. Step 2: Convert to fraction form
    1,283,712.61/1,771,578.76 = 710,752.78/x
  3. Step 3: Cross multiply
    1,283,712.61x = 1,771,578.76 × 710,752.78
  4. Step 4: Simplify right side
    1,283,712.61x = 1,259,154,531,761.87
  5. Step 5: Solve for x
    x = 1,259,154,531,761.87/1,283,712.61
  6. Step 6: Final answer
    x = 980,869.49

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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.