Home / 1,276,790.86-1,761,983.36-703,851.52

Finding the Fourth Proportional to 1,276,790.86, 1,761,983.36 and 703,851.52

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Solution

The fourth proportional to 1,276,790.86, 1,761,983.36 and 703,851.52 is: 971,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,790.86 : 1,761,983.36 = 703,851.52 : x
  2. Step 2: Convert to fraction form
    1,276,790.86/1,761,983.36 = 703,851.52/x
  3. Step 3: Cross multiply
    1,276,790.86x = 1,761,983.36 × 703,851.52
  4. Step 4: Simplify right side
    1,276,790.86x = 1,240,174,666,150.71
  5. Step 5: Solve for x
    x = 1,240,174,666,150.71/1,276,790.86
  6. Step 6: Final answer
    x = 971,321.70

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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.