Home / 1,674,407.80-2,512,194.90-728,457.40

Finding the Fourth Proportional to 1,674,407.80, 2,512,194.90 and 728,457.40

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Solution

The fourth proportional to 1,674,407.80, 2,512,194.90 and 728,457.40 is: 1,092,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,407.80 : 2,512,194.90 = 728,457.40 : x
  2. Step 2: Convert to fraction form
    1,674,407.80/2,512,194.90 = 728,457.40/x
  3. Step 3: Cross multiply
    1,674,407.80x = 2,512,194.90 × 728,457.40
  4. Step 4: Simplify right side
    1,674,407.80x = 1,830,026,965,147.26
  5. Step 5: Solve for x
    x = 1,830,026,965,147.26/1,674,407.80
  6. Step 6: Final answer
    x = 1,092,939.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.