Home / 1,283,870.31-1,771,719.39-710,898.18

Finding the Fourth Proportional to 1,283,870.31, 1,771,719.39 and 710,898.18

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Solution

The fourth proportional to 1,283,870.31, 1,771,719.39 and 710,898.18 is: 981,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,870.31 : 1,771,719.39 = 710,898.18 : x
  2. Step 2: Convert to fraction form
    1,283,870.31/1,771,719.39 = 710,898.18/x
  3. Step 3: Cross multiply
    1,283,870.31x = 1,771,719.39 × 710,898.18
  4. Step 4: Simplify right side
    1,283,870.31x = 1,259,512,089,821.71
  5. Step 5: Solve for x
    x = 1,259,512,089,821.71/1,283,870.31
  6. Step 6: Final answer
    x = 981,027.51

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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.