Home / 1,274,507.84-1,758,615.02-730,543.54

Finding the Fourth Proportional to 1,274,507.84, 1,758,615.02 and 730,543.54

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Solution

The fourth proportional to 1,274,507.84, 1,758,615.02 and 730,543.54 is: 1,008,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,507.84 : 1,758,615.02 = 730,543.54 : x
  2. Step 2: Convert to fraction form
    1,274,507.84/1,758,615.02 = 730,543.54/x
  3. Step 3: Cross multiply
    1,274,507.84x = 1,758,615.02 × 730,543.54
  4. Step 4: Simplify right side
    1,274,507.84x = 1,284,744,829,762.18
  5. Step 5: Solve for x
    x = 1,284,744,829,762.18/1,274,507.84
  6. Step 6: Final answer
    x = 1,008,032.11

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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.