Home / 1,280,129.24-1,766,632.02-736,265.18

Finding the Fourth Proportional to 1,280,129.24, 1,766,632.02 and 736,265.18

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Solution

The fourth proportional to 1,280,129.24, 1,766,632.02 and 736,265.18 is: 1,016,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,129.24 : 1,766,632.02 = 736,265.18 : x
  2. Step 2: Convert to fraction form
    1,280,129.24/1,766,632.02 = 736,265.18/x
  3. Step 3: Cross multiply
    1,280,129.24x = 1,766,632.02 × 736,265.18
  4. Step 4: Simplify right side
    1,280,129.24x = 1,300,709,642,199.06
  5. Step 5: Solve for x
    x = 1,300,709,642,199.06/1,280,129.24
  6. Step 6: Final answer
    x = 1,016,076.82

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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.