Home / 1,283,931-1,771,802.96-710,958.86

Finding the Fourth Proportional to 1,283,931, 1,771,802.96 and 710,958.86

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Solution

The fourth proportional to 1,283,931, 1,771,802.96 and 710,958.86 is: 981,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,931 : 1,771,802.96 = 710,958.86 : x
  2. Step 2: Convert to fraction form
    1,283,931/1,771,802.96 = 710,958.86/x
  3. Step 3: Cross multiply
    1,283,931x = 1,771,802.96 × 710,958.86
  4. Step 4: Simplify right side
    1,283,931x = 1,259,679,012,586.23
  5. Step 5: Solve for x
    x = 1,259,679,012,586.23/1,283,931
  6. Step 6: Final answer
    x = 981,111.14

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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.