Home / 917,733.21-1,266,588.60-555,159.66

Finding the Fourth Proportional to 917,733.21, 1,266,588.60 and 555,159.66

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Solution

The fourth proportional to 917,733.21, 1,266,588.60 and 555,159.66 is: 766,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,733.21 : 1,266,588.60 = 555,159.66 : x
  2. Step 2: Convert to fraction form
    917,733.21/1,266,588.60 = 555,159.66/x
  3. Step 3: Cross multiply
    917,733.21x = 1,266,588.60 × 555,159.66
  4. Step 4: Simplify right side
    917,733.21x = 703,158,896,535.88
  5. Step 5: Solve for x
    x = 703,158,896,535.88/917,733.21
  6. Step 6: Final answer
    x = 766,190.97

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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.