Home / 1,287,030.92-1,776,212.96-706,366.26

Finding the Fourth Proportional to 1,287,030.92, 1,776,212.96 and 706,366.26

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Solution

The fourth proportional to 1,287,030.92, 1,776,212.96 and 706,366.26 is: 974,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,030.92 : 1,776,212.96 = 706,366.26 : x
  2. Step 2: Convert to fraction form
    1,287,030.92/1,776,212.96 = 706,366.26/x
  3. Step 3: Cross multiply
    1,287,030.92x = 1,776,212.96 × 706,366.26
  4. Step 4: Simplify right side
    1,287,030.92x = 1,254,656,901,986.90
  5. Step 5: Solve for x
    x = 1,254,656,901,986.90/1,287,030.92
  6. Step 6: Final answer
    x = 974,845.97

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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.