Home / 1,276,477.17-1,761,607.77-732,608.61

Finding the Fourth Proportional to 1,276,477.17, 1,761,607.77 and 732,608.61

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Solution

The fourth proportional to 1,276,477.17, 1,761,607.77 and 732,608.61 is: 1,011,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,477.17 : 1,761,607.77 = 732,608.61 : x
  2. Step 2: Convert to fraction form
    1,276,477.17/1,761,607.77 = 732,608.61/x
  3. Step 3: Cross multiply
    1,276,477.17x = 1,761,607.77 × 732,608.61
  4. Step 4: Simplify right side
    1,276,477.17x = 1,290,569,019,744.90
  5. Step 5: Solve for x
    x = 1,290,569,019,744.90/1,276,477.17
  6. Step 6: Final answer
    x = 1,011,039.64

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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.