Home / 1,276,210.77-1,761,208.56-703,288.05

Finding the Fourth Proportional to 1,276,210.77, 1,761,208.56 and 703,288.05

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Solution

The fourth proportional to 1,276,210.77, 1,761,208.56 and 703,288.05 is: 970,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,210.77 : 1,761,208.56 = 703,288.05 : x
  2. Step 2: Convert to fraction form
    1,276,210.77/1,761,208.56 = 703,288.05/x
  3. Step 3: Cross multiply
    1,276,210.77x = 1,761,208.56 × 703,288.05
  4. Step 4: Simplify right side
    1,276,210.77x = 1,238,636,933,805.71
  5. Step 5: Solve for x
    x = 1,238,636,933,805.71/1,276,210.77
  6. Step 6: Final answer
    x = 970,558.28

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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.