Home / 1,283,915.76-1,771,781.96-710,943.63

Finding the Fourth Proportional to 1,283,915.76, 1,771,781.96 and 710,943.63

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Solution

The fourth proportional to 1,283,915.76, 1,771,781.96 and 710,943.63 is: 981,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,915.76 : 1,771,781.96 = 710,943.63 : x
  2. Step 2: Convert to fraction form
    1,283,915.76/1,771,781.96 = 710,943.63/x
  3. Step 3: Cross multiply
    1,283,915.76x = 1,771,781.96 × 710,943.63
  4. Step 4: Simplify right side
    1,283,915.76x = 1,259,637,087,574.65
  5. Step 5: Solve for x
    x = 1,259,637,087,574.65/1,283,915.76
  6. Step 6: Final answer
    x = 981,090.14

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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.