Home / 1,276,255.04-1,761,243.81-703,315.76

Finding the Fourth Proportional to 1,276,255.04, 1,761,243.81 and 703,315.76

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Solution

The fourth proportional to 1,276,255.04, 1,761,243.81 and 703,315.76 is: 970,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,255.04 : 1,761,243.81 = 703,315.76 : x
  2. Step 2: Convert to fraction form
    1,276,255.04/1,761,243.81 = 703,315.76/x
  3. Step 3: Cross multiply
    1,276,255.04x = 1,761,243.81 × 703,315.76
  4. Step 4: Simplify right side
    1,276,255.04x = 1,238,710,528,775.45
  5. Step 5: Solve for x
    x = 1,238,710,528,775.45/1,276,255.04
  6. Step 6: Final answer
    x = 970,582.28

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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.