Home / 1,287,735.71-1,777,096.10-707,012.37

Finding the Fourth Proportional to 1,287,735.71, 1,777,096.10 and 707,012.37

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Solution

The fourth proportional to 1,287,735.71, 1,777,096.10 and 707,012.37 is: 975,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,735.71 : 1,777,096.10 = 707,012.37 : x
  2. Step 2: Convert to fraction form
    1,287,735.71/1,777,096.10 = 707,012.37/x
  3. Step 3: Cross multiply
    1,287,735.71x = 1,777,096.10 × 707,012.37
  4. Step 4: Simplify right side
    1,287,735.71x = 1,256,428,927,146.29
  5. Step 5: Solve for x
    x = 1,256,428,927,146.29/1,287,735.71
  6. Step 6: Final answer
    x = 975,688.51

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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.